Home / 67,660.47-93,381.12-39,375.27

Finding the Fourth Proportional to 67,660.47, 93,381.12 and 39,375.27

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Solution

The fourth proportional to 67,660.47, 93,381.12 and 39,375.27 is: 54,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,660.47 : 93,381.12 = 39,375.27 : x
  2. Step 2: Convert to fraction form
    67,660.47/93,381.12 = 39,375.27/x
  3. Step 3: Cross multiply
    67,660.47x = 93,381.12 × 39,375.27
  4. Step 4: Simplify right side
    67,660.47x = 3,676,906,812.90
  5. Step 5: Solve for x
    x = 3,676,906,812.90/67,660.47
  6. Step 6: Final answer
    x = 54,343.50

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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.