Home / 71,344.11-98,446.89-39,505.02

Finding the Fourth Proportional to 71,344.11, 98,446.89 and 39,505.02

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Solution

The fourth proportional to 71,344.11, 98,446.89 and 39,505.02 is: 54,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344.11 : 98,446.89 = 39,505.02 : x
  2. Step 2: Convert to fraction form
    71,344.11/98,446.89 = 39,505.02/x
  3. Step 3: Cross multiply
    71,344.11x = 98,446.89 × 39,505.02
  4. Step 4: Simplify right side
    71,344.11x = 3,889,146,358.39
  5. Step 5: Solve for x
    x = 3,889,146,358.39/71,344.11
  6. Step 6: Final answer
    x = 54,512.51

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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.