Home / 74,532.62-111,841.98-39,472.28

Finding the Fourth Proportional to 74,532.62, 111,841.98 and 39,472.28

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Solution

The fourth proportional to 74,532.62, 111,841.98 and 39,472.28 is: 59,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,532.62 : 111,841.98 = 39,472.28 : x
  2. Step 2: Convert to fraction form
    74,532.62/111,841.98 = 39,472.28/x
  3. Step 3: Cross multiply
    74,532.62x = 111,841.98 × 39,472.28
  4. Step 4: Simplify right side
    74,532.62x = 4,414,657,391.10
  5. Step 5: Solve for x
    x = 4,414,657,391.10/74,532.62
  6. Step 6: Final answer
    x = 59,231.22

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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.