Home / 89,191.53-123,123.56-62,439.03

Finding the Fourth Proportional to 89,191.53, 123,123.56 and 62,439.03

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Solution

The fourth proportional to 89,191.53, 123,123.56 and 62,439.03 is: 86,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,191.53 : 123,123.56 = 62,439.03 : x
  2. Step 2: Convert to fraction form
    89,191.53/123,123.56 = 62,439.03/x
  3. Step 3: Cross multiply
    89,191.53x = 123,123.56 × 62,439.03
  4. Step 4: Simplify right side
    89,191.53x = 7,687,715,344.35
  5. Step 5: Solve for x
    x = 7,687,715,344.35/89,191.53
  6. Step 6: Final answer
    x = 86,193.33

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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.