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Finding the Fourth Proportional to 69,354.60, 95,708.97 and 39,149.73

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Solution

The fourth proportional to 69,354.60, 95,708.97 and 39,149.73 is: 54,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,354.60 : 95,708.97 = 39,149.73 : x
  2. Step 2: Convert to fraction form
    69,354.60/95,708.97 = 39,149.73/x
  3. Step 3: Cross multiply
    69,354.60x = 95,708.97 × 39,149.73
  4. Step 4: Simplify right side
    69,354.60x = 3,746,980,334.08
  5. Step 5: Solve for x
    x = 3,746,980,334.08/69,354.60
  6. Step 6: Final answer
    x = 54,026.41

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1.5x scale

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.