Home / 87,909.04-131,813.88-34,617.52

Finding the Fourth Proportional to 87,909.04, 131,813.88 and 34,617.52

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Solution

The fourth proportional to 87,909.04, 131,813.88 and 34,617.52 is: 51,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,909.04 : 131,813.88 = 34,617.52 : x
  2. Step 2: Convert to fraction form
    87,909.04/131,813.88 = 34,617.52/x
  3. Step 3: Cross multiply
    87,909.04x = 131,813.88 × 34,617.52
  4. Step 4: Simplify right side
    87,909.04x = 4,563,069,627.18
  5. Step 5: Solve for x
    x = 4,563,069,627.18/87,909.04
  6. Step 6: Final answer
    x = 51,906.72

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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.