Home / 72,456.10-108,554.55-44,721.70

Finding the Fourth Proportional to 72,456.10, 108,554.55 and 44,721.70

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Solution

The fourth proportional to 72,456.10, 108,554.55 and 44,721.70 is: 67,002.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,456.10 : 108,554.55 = 44,721.70 : x
  2. Step 2: Convert to fraction form
    72,456.10/108,554.55 = 44,721.70/x
  3. Step 3: Cross multiply
    72,456.10x = 108,554.55 × 44,721.70
  4. Step 4: Simplify right side
    72,456.10x = 4,854,744,018.74
  5. Step 5: Solve for x
    x = 4,854,744,018.74/72,456.10
  6. Step 6: Final answer
    x = 67,002.56

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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.