Home / 80,380.66-110,925.12-44,569.75

Finding the Fourth Proportional to 80,380.66, 110,925.12 and 44,569.75

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Solution

The fourth proportional to 80,380.66, 110,925.12 and 44,569.75 is: 61,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,380.66 : 110,925.12 = 44,569.75 : x
  2. Step 2: Convert to fraction form
    80,380.66/110,925.12 = 44,569.75/x
  3. Step 3: Cross multiply
    80,380.66x = 110,925.12 × 44,569.75
  4. Step 4: Simplify right side
    80,380.66x = 4,943,904,867.12
  5. Step 5: Solve for x
    x = 4,943,904,867.12/80,380.66
  6. Step 6: Final answer
    x = 61,506.15

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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.