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Finding the Fourth Proportional to 89,375.48, 133,866.38 and 59,654.16

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Solution

The fourth proportional to 89,375.48, 133,866.38 and 59,654.16 is: 89,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,375.48 : 133,866.38 = 59,654.16 : x
  2. Step 2: Convert to fraction form
    89,375.48/133,866.38 = 59,654.16/x
  3. Step 3: Cross multiply
    89,375.48x = 133,866.38 × 59,654.16
  4. Step 4: Simplify right side
    89,375.48x = 7,985,686,451.14
  5. Step 5: Solve for x
    x = 7,985,686,451.14/89,375.48
  6. Step 6: Final answer
    x = 89,349.86

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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.