Home / 89,508-123,521.95-49,222.04

Finding the Fourth Proportional to 89,508, 123,521.95 and 49,222.04

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Solution

The fourth proportional to 89,508, 123,521.95 and 49,222.04 is: 67,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,508 : 123,521.95 = 49,222.04 : x
  2. Step 2: Convert to fraction form
    89,508/123,521.95 = 49,222.04/x
  3. Step 3: Cross multiply
    89,508x = 123,521.95 × 49,222.04
  4. Step 4: Simplify right side
    89,508x = 6,080,002,117.67
  5. Step 5: Solve for x
    x = 6,080,002,117.67/89,508
  6. Step 6: Final answer
    x = 67,926.91

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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.