Home / 72,517.02-108,671.85-41,287.74

Finding the Fourth Proportional to 72,517.02, 108,671.85 and 41,287.74

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Solution

The fourth proportional to 72,517.02, 108,671.85 and 41,287.74 is: 61,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,517.02 : 108,671.85 = 41,287.74 : x
  2. Step 2: Convert to fraction form
    72,517.02/108,671.85 = 41,287.74/x
  3. Step 3: Cross multiply
    72,517.02x = 108,671.85 × 41,287.74
  4. Step 4: Simplify right side
    72,517.02x = 4,486,815,088.12
  5. Step 5: Solve for x
    x = 4,486,815,088.12/72,517.02
  6. Step 6: Final answer
    x = 61,872.58

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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.