Home / 87,743.86-131,683.47-65,305.24

Finding the Fourth Proportional to 87,743.86, 131,683.47 and 65,305.24

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Solution

The fourth proportional to 87,743.86, 131,683.47 and 65,305.24 is: 98,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,743.86 : 131,683.47 = 65,305.24 : x
  2. Step 2: Convert to fraction form
    87,743.86/131,683.47 = 65,305.24/x
  3. Step 3: Cross multiply
    87,743.86x = 131,683.47 × 65,305.24
  4. Step 4: Simplify right side
    87,743.86x = 8,599,620,612.38
  5. Step 5: Solve for x
    x = 8,599,620,612.38/87,743.86
  6. Step 6: Final answer
    x = 98,008.23

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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.