Home / 88,236.54-121,772.70-49,996.17

Finding the Fourth Proportional to 88,236.54, 121,772.70 and 49,996.17

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Solution

The fourth proportional to 88,236.54, 121,772.70 and 49,996.17 is: 68,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,236.54 : 121,772.70 = 49,996.17 : x
  2. Step 2: Convert to fraction form
    88,236.54/121,772.70 = 49,996.17/x
  3. Step 3: Cross multiply
    88,236.54x = 121,772.70 × 49,996.17
  4. Step 4: Simplify right side
    88,236.54x = 6,088,168,610.56
  5. Step 5: Solve for x
    x = 6,088,168,610.56/88,236.54
  6. Step 6: Final answer
    x = 68,998.27

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Half scale
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Double scale
Find fourth proportional to 88,237.54, 121,774.08 and 49,997.17
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.