Home / 88,230.63-121,762.93-49,997.59

Finding the Fourth Proportional to 88,230.63, 121,762.93 and 49,997.59

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Solution

The fourth proportional to 88,230.63, 121,762.93 and 49,997.59 is: 68,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,230.63 : 121,762.93 = 49,997.59 : x
  2. Step 2: Convert to fraction form
    88,230.63/121,762.93 = 49,997.59/x
  3. Step 3: Cross multiply
    88,230.63x = 121,762.93 × 49,997.59
  4. Step 4: Simplify right side
    88,230.63x = 6,087,852,715.68
  5. Step 5: Solve for x
    x = 6,087,852,715.68/88,230.63
  6. Step 6: Final answer
    x = 68,999.32

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Double scale
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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.