Home / 89,398.24-123,366.66-49,109.47

Finding the Fourth Proportional to 89,398.24, 123,366.66 and 49,109.47

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Solution

The fourth proportional to 89,398.24, 123,366.66 and 49,109.47 is: 67,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,398.24 : 123,366.66 = 49,109.47 : x
  2. Step 2: Convert to fraction form
    89,398.24/123,366.66 = 49,109.47/x
  3. Step 3: Cross multiply
    89,398.24x = 123,366.66 × 49,109.47
  4. Step 4: Simplify right side
    89,398.24x = 6,058,471,336.37
  5. Step 5: Solve for x
    x = 6,058,471,336.37/89,398.24
  6. Step 6: Final answer
    x = 67,769.47

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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.