Home / 89,457.73-123,454.91-49,174.55

Finding the Fourth Proportional to 89,457.73, 123,454.91 and 49,174.55

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Solution

The fourth proportional to 89,457.73, 123,454.91 and 49,174.55 is: 67,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.73 : 123,454.91 = 49,174.55 : x
  2. Step 2: Convert to fraction form
    89,457.73/123,454.91 = 49,174.55/x
  3. Step 3: Cross multiply
    89,457.73x = 123,454.91 × 49,174.55
  4. Step 4: Simplify right side
    89,457.73x = 6,070,839,398.67
  5. Step 5: Solve for x
    x = 6,070,839,398.67/89,457.73
  6. Step 6: Final answer
    x = 67,862.66

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1.5x scale

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.