Home / 89,136.11-123,003.02-48,849.95

Finding the Fourth Proportional to 89,136.11, 123,003.02 and 48,849.95

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Solution

The fourth proportional to 89,136.11, 123,003.02 and 48,849.95 is: 67,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,136.11 : 123,003.02 = 48,849.95 : x
  2. Step 2: Convert to fraction form
    89,136.11/123,003.02 = 48,849.95/x
  3. Step 3: Cross multiply
    89,136.11x = 123,003.02 × 48,849.95
  4. Step 4: Simplify right side
    89,136.11x = 6,008,690,517.58
  5. Step 5: Solve for x
    x = 6,008,690,517.58/89,136.11
  6. Step 6: Final answer
    x = 67,410.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.