Home / 87,746.02-131,651.93-65,744.80

Finding the Fourth Proportional to 87,746.02, 131,651.93 and 65,744.80

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Solution

The fourth proportional to 87,746.02, 131,651.93 and 65,744.80 is: 98,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,746.02 : 131,651.93 = 65,744.80 : x
  2. Step 2: Convert to fraction form
    87,746.02/131,651.93 = 65,744.80/x
  3. Step 3: Cross multiply
    87,746.02x = 131,651.93 × 65,744.80
  4. Step 4: Simplify right side
    87,746.02x = 8,655,429,642.70
  5. Step 5: Solve for x
    x = 8,655,429,642.70/87,746.02
  6. Step 6: Final answer
    x = 98,641.85

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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.