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Finding the Fourth Proportional to 75,058.92, 112,581.90 and 22,480.20

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Solution

The fourth proportional to 75,058.92, 112,581.90 and 22,480.20 is: 33,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,058.92 : 112,581.90 = 22,480.20 : x
  2. Step 2: Convert to fraction form
    75,058.92/112,581.90 = 22,480.20/x
  3. Step 3: Cross multiply
    75,058.92x = 112,581.90 × 22,480.20
  4. Step 4: Simplify right side
    75,058.92x = 2,530,863,628.38
  5. Step 5: Solve for x
    x = 2,530,863,628.38/75,058.92
  6. Step 6: Final answer
    x = 33,718.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.