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Finding the Fourth Proportional to 80,138, 110,594.28 and 44,810

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Solution

The fourth proportional to 80,138, 110,594.28 and 44,810 is: 61,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,138 : 110,594.28 = 44,810 : x
  2. Step 2: Convert to fraction form
    80,138/110,594.28 = 44,810/x
  3. Step 3: Cross multiply
    80,138x = 110,594.28 × 44,810
  4. Step 4: Simplify right side
    80,138x = 4,955,729,686.80
  5. Step 5: Solve for x
    x = 4,955,729,686.80/80,138
  6. Step 6: Final answer
    x = 61,839.95

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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.