Home / 71,016.97-98,000.14-40,781.02

Finding the Fourth Proportional to 71,016.97, 98,000.14 and 40,781.02

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Solution

The fourth proportional to 71,016.97, 98,000.14 and 40,781.02 is: 56,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016.97 : 98,000.14 = 40,781.02 : x
  2. Step 2: Convert to fraction form
    71,016.97/98,000.14 = 40,781.02/x
  3. Step 3: Cross multiply
    71,016.97x = 98,000.14 × 40,781.02
  4. Step 4: Simplify right side
    71,016.97x = 3,996,545,669.34
  5. Step 5: Solve for x
    x = 3,996,545,669.34/71,016.97
  6. Step 6: Final answer
    x = 56,275.92

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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.