Home / 89,291.43-123,223.70-49,008.95

Finding the Fourth Proportional to 89,291.43, 123,223.70 and 49,008.95

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Solution

The fourth proportional to 89,291.43, 123,223.70 and 49,008.95 is: 67,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,291.43 : 123,223.70 = 49,008.95 : x
  2. Step 2: Convert to fraction form
    89,291.43/123,223.70 = 49,008.95/x
  3. Step 3: Cross multiply
    89,291.43x = 123,223.70 × 49,008.95
  4. Step 4: Simplify right side
    89,291.43x = 6,039,063,290.95
  5. Step 5: Solve for x
    x = 6,039,063,290.95/89,291.43
  6. Step 6: Final answer
    x = 67,633.18

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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.