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Finding the Fourth Proportional to 60,769.62, 91,023.21 and 59,282.46

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Solution

The fourth proportional to 60,769.62, 91,023.21 and 59,282.46 is: 88,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,769.62 : 91,023.21 = 59,282.46 : x
  2. Step 2: Convert to fraction form
    60,769.62/91,023.21 = 59,282.46/x
  3. Step 3: Cross multiply
    60,769.62x = 91,023.21 × 59,282.46
  4. Step 4: Simplify right side
    60,769.62x = 5,396,079,805.90
  5. Step 5: Solve for x
    x = 5,396,079,805.90/60,769.62
  6. Step 6: Final answer
    x = 88,795.68

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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.