Home / 71,565.48-98,751.96-39,726.54

Finding the Fourth Proportional to 71,565.48, 98,751.96 and 39,726.54

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Solution

The fourth proportional to 71,565.48, 98,751.96 and 39,726.54 is: 54,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,565.48 : 98,751.96 = 39,726.54 : x
  2. Step 2: Convert to fraction form
    71,565.48/98,751.96 = 39,726.54/x
  3. Step 3: Cross multiply
    71,565.48x = 98,751.96 × 39,726.54
  4. Step 4: Simplify right side
    71,565.48x = 3,923,073,689.02
  5. Step 5: Solve for x
    x = 3,923,073,689.02/71,565.48
  6. Step 6: Final answer
    x = 54,817.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.