Home / 61,331.28-91,930.80-29,674.48

Finding the Fourth Proportional to 61,331.28, 91,930.80 and 29,674.48

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Solution

The fourth proportional to 61,331.28, 91,930.80 and 29,674.48 is: 44,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,331.28 : 91,930.80 = 29,674.48 : x
  2. Step 2: Convert to fraction form
    61,331.28/91,930.80 = 29,674.48/x
  3. Step 3: Cross multiply
    61,331.28x = 91,930.80 × 29,674.48
  4. Step 4: Simplify right side
    61,331.28x = 2,727,998,685.98
  5. Step 5: Solve for x
    x = 2,727,998,685.98/61,331.28
  6. Step 6: Final answer
    x = 44,479.73

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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.