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Finding the Fourth Proportional to 80,417.81, 110,966.56 and 44,602.95

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Solution

The fourth proportional to 80,417.81, 110,966.56 and 44,602.95 is: 61,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,417.81 : 110,966.56 = 44,602.95 : x
  2. Step 2: Convert to fraction form
    80,417.81/110,966.56 = 44,602.95/x
  3. Step 3: Cross multiply
    80,417.81x = 110,966.56 × 44,602.95
  4. Step 4: Simplify right side
    80,417.81x = 4,949,436,231.97
  5. Step 5: Solve for x
    x = 4,949,436,231.97/80,417.81
  6. Step 6: Final answer
    x = 61,546.52

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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.