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Finding the Fourth Proportional to 67,274.30, 100,934.75 and 29,860.58

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Solution

The fourth proportional to 67,274.30, 100,934.75 and 29,860.58 is: 44,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,274.30 : 100,934.75 = 29,860.58 : x
  2. Step 2: Convert to fraction form
    67,274.30/100,934.75 = 29,860.58/x
  3. Step 3: Cross multiply
    67,274.30x = 100,934.75 × 29,860.58
  4. Step 4: Simplify right side
    67,274.30x = 3,013,970,177.16
  5. Step 5: Solve for x
    x = 3,013,970,177.16/67,274.30
  6. Step 6: Final answer
    x = 44,801.21

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1.5x scale

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.