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Finding the Fourth Proportional to 80,058.86, 120,086.22 and 26,023.25

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Solution

The fourth proportional to 80,058.86, 120,086.22 and 26,023.25 is: 39,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,058.86 : 120,086.22 = 26,023.25 : x
  2. Step 2: Convert to fraction form
    80,058.86/120,086.22 = 26,023.25/x
  3. Step 3: Cross multiply
    80,058.86x = 120,086.22 × 26,023.25
  4. Step 4: Simplify right side
    80,058.86x = 3,125,033,124.18
  5. Step 5: Solve for x
    x = 3,125,033,124.18/80,058.86
  6. Step 6: Final answer
    x = 39,034.20

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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.