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Finding the Fourth Proportional to 75,307.59, 112,962.20 and 22,717.53

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Solution

The fourth proportional to 75,307.59, 112,962.20 and 22,717.53 is: 34,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,307.59 : 112,962.20 = 22,717.53 : x
  2. Step 2: Convert to fraction form
    75,307.59/112,962.20 = 22,717.53/x
  3. Step 3: Cross multiply
    75,307.59x = 112,962.20 × 22,717.53
  4. Step 4: Simplify right side
    75,307.59x = 2,566,222,053.78
  5. Step 5: Solve for x
    x = 2,566,222,053.78/75,307.59
  6. Step 6: Final answer
    x = 34,076.54

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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.