Home / 70,286.55-96,996.84-38,456.13

Finding the Fourth Proportional to 70,286.55, 96,996.84 and 38,456.13

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Solution

The fourth proportional to 70,286.55, 96,996.84 and 38,456.13 is: 53,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,286.55 : 96,996.84 = 38,456.13 : x
  2. Step 2: Convert to fraction form
    70,286.55/96,996.84 = 38,456.13/x
  3. Step 3: Cross multiply
    70,286.55x = 96,996.84 × 38,456.13
  4. Step 4: Simplify right side
    70,286.55x = 3,730,123,524.47
  5. Step 5: Solve for x
    x = 3,730,123,524.47/70,286.55
  6. Step 6: Final answer
    x = 53,070.23

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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.