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Finding the Fourth Proportional to 84,084.01, 126,126.47 and 24,920.20

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Solution

The fourth proportional to 84,084.01, 126,126.47 and 24,920.20 is: 37,380.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,084.01 : 126,126.47 = 24,920.20 : x
  2. Step 2: Convert to fraction form
    84,084.01/126,126.47 = 24,920.20/x
  3. Step 3: Cross multiply
    84,084.01x = 126,126.47 × 24,920.20
  4. Step 4: Simplify right side
    84,084.01x = 3,143,096,857.69
  5. Step 5: Solve for x
    x = 3,143,096,857.69/84,084.01
  6. Step 6: Final answer
    x = 37,380.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.