Home / 80,380.28-110,929.22-44,569.53

Finding the Fourth Proportional to 80,380.28, 110,929.22 and 44,569.53

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Solution

The fourth proportional to 80,380.28, 110,929.22 and 44,569.53 is: 61,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,380.28 : 110,929.22 = 44,569.53 : x
  2. Step 2: Convert to fraction form
    80,380.28/110,929.22 = 44,569.53/x
  3. Step 3: Cross multiply
    80,380.28x = 110,929.22 × 44,569.53
  4. Step 4: Simplify right side
    80,380.28x = 4,944,062,975.82
  5. Step 5: Solve for x
    x = 4,944,062,975.82/80,380.28
  6. Step 6: Final answer
    x = 61,508.41

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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.