Home / 66,781.53-100,223.07-24,701.42

Finding the Fourth Proportional to 66,781.53, 100,223.07 and 24,701.42

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Solution

The fourth proportional to 66,781.53, 100,223.07 and 24,701.42 is: 37,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,781.53 : 100,223.07 = 24,701.42 : x
  2. Step 2: Convert to fraction form
    66,781.53/100,223.07 = 24,701.42/x
  3. Step 3: Cross multiply
    66,781.53x = 100,223.07 × 24,701.42
  4. Step 4: Simplify right side
    66,781.53x = 2,475,651,644.64
  5. Step 5: Solve for x
    x = 2,475,651,644.64/66,781.53
  6. Step 6: Final answer
    x = 37,070.90

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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.