Home / 75,125.90-112,522.74-51,377.16

Finding the Fourth Proportional to 75,125.90, 112,522.74 and 51,377.16

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Solution

The fourth proportional to 75,125.90, 112,522.74 and 51,377.16 is: 76,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,125.90 : 112,522.74 = 51,377.16 : x
  2. Step 2: Convert to fraction form
    75,125.90/112,522.74 = 51,377.16/x
  3. Step 3: Cross multiply
    75,125.90x = 112,522.74 × 51,377.16
  4. Step 4: Simplify right side
    75,125.90x = 5,781,098,816.62
  5. Step 5: Solve for x
    x = 5,781,098,816.62/75,125.90
  6. Step 6: Final answer
    x = 76,952.15

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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.