Home / 65,787.44-90,781.18-37,105.52

Finding the Fourth Proportional to 65,787.44, 90,781.18 and 37,105.52

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Solution

The fourth proportional to 65,787.44, 90,781.18 and 37,105.52 is: 51,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,787.44 : 90,781.18 = 37,105.52 : x
  2. Step 2: Convert to fraction form
    65,787.44/90,781.18 = 37,105.52/x
  3. Step 3: Cross multiply
    65,787.44x = 90,781.18 × 37,105.52
  4. Step 4: Simplify right side
    65,787.44x = 3,368,482,343.44
  5. Step 5: Solve for x
    x = 3,368,482,343.44/65,787.44
  6. Step 6: Final answer
    x = 51,202.52

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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.