Home / 117,724.54-162,461.90-64,009.92

Finding the Fourth Proportional to 117,724.54, 162,461.90 and 64,009.92

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Solution

The fourth proportional to 117,724.54, 162,461.90 and 64,009.92 is: 88,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,724.54 : 162,461.90 = 64,009.92 : x
  2. Step 2: Convert to fraction form
    117,724.54/162,461.90 = 64,009.92/x
  3. Step 3: Cross multiply
    117,724.54x = 162,461.90 × 64,009.92
  4. Step 4: Simplify right side
    117,724.54x = 10,399,173,534.38
  5. Step 5: Solve for x
    x = 10,399,173,534.38/117,724.54
  6. Step 6: Final answer
    x = 88,334.80

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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.