Home / 71,565.24-98,745.66-43,272.60

Finding the Fourth Proportional to 71,565.24, 98,745.66 and 43,272.60

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Solution

The fourth proportional to 71,565.24, 98,745.66 and 43,272.60 is: 59,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,565.24 : 98,745.66 = 43,272.60 : x
  2. Step 2: Convert to fraction form
    71,565.24/98,745.66 = 43,272.60/x
  3. Step 3: Cross multiply
    71,565.24x = 98,745.66 × 43,272.60
  4. Step 4: Simplify right side
    71,565.24x = 4,272,981,446.92
  5. Step 5: Solve for x
    x = 4,272,981,446.92/71,565.24
  6. Step 6: Final answer
    x = 59,707.50

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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.