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Finding the Fourth Proportional to 68,337.62, 102,505.56 and 56,626.28

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Solution

The fourth proportional to 68,337.62, 102,505.56 and 56,626.28 is: 84,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,337.62 : 102,505.56 = 56,626.28 : x
  2. Step 2: Convert to fraction form
    68,337.62/102,505.56 = 56,626.28/x
  3. Step 3: Cross multiply
    68,337.62x = 102,505.56 × 56,626.28
  4. Step 4: Simplify right side
    68,337.62x = 5,804,508,542.12
  5. Step 5: Solve for x
    x = 5,804,508,542.12/68,337.62
  6. Step 6: Final answer
    x = 84,938.70

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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.