Home / 83,617.30-125,425.95-48,187.90

Finding the Fourth Proportional to 83,617.30, 125,425.95 and 48,187.90

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Solution

The fourth proportional to 83,617.30, 125,425.95 and 48,187.90 is: 72,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,617.30 : 125,425.95 = 48,187.90 : x
  2. Step 2: Convert to fraction form
    83,617.30/125,425.95 = 48,187.90/x
  3. Step 3: Cross multiply
    83,617.30x = 125,425.95 × 48,187.90
  4. Step 4: Simplify right side
    83,617.30x = 6,044,013,136.01
  5. Step 5: Solve for x
    x = 6,044,013,136.01/83,617.30
  6. Step 6: Final answer
    x = 72,281.85

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1.5x scale

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.