Home / 89,326.47-123,273.20-49,042.95

Finding the Fourth Proportional to 89,326.47, 123,273.20 and 49,042.95

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Solution

The fourth proportional to 89,326.47, 123,273.20 and 49,042.95 is: 67,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,326.47 : 123,273.20 = 49,042.95 : x
  2. Step 2: Convert to fraction form
    89,326.47/123,273.20 = 49,042.95/x
  3. Step 3: Cross multiply
    89,326.47x = 123,273.20 × 49,042.95
  4. Step 4: Simplify right side
    89,326.47x = 6,045,681,383.94
  5. Step 5: Solve for x
    x = 6,045,681,383.94/89,326.47
  6. Step 6: Final answer
    x = 67,680.74

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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.