Home / 87,745.59-131,607.05-35,155.53

Finding the Fourth Proportional to 87,745.59, 131,607.05 and 35,155.53

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Solution

The fourth proportional to 87,745.59, 131,607.05 and 35,155.53 is: 52,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,745.59 : 131,607.05 = 35,155.53 : x
  2. Step 2: Convert to fraction form
    87,745.59/131,607.05 = 35,155.53/x
  3. Step 3: Cross multiply
    87,745.59x = 131,607.05 × 35,155.53
  4. Step 4: Simplify right side
    87,745.59x = 4,626,715,418.71
  5. Step 5: Solve for x
    x = 4,626,715,418.71/87,745.59
  6. Step 6: Final answer
    x = 52,728.75

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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.