Home / 90,961.97-125,531.33-50,675.72

Finding the Fourth Proportional to 90,961.97, 125,531.33 and 50,675.72

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Solution

The fourth proportional to 90,961.97, 125,531.33 and 50,675.72 is: 69,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,961.97 : 125,531.33 = 50,675.72 : x
  2. Step 2: Convert to fraction form
    90,961.97/125,531.33 = 50,675.72/x
  3. Step 3: Cross multiply
    90,961.97x = 125,531.33 × 50,675.72
  4. Step 4: Simplify right side
    90,961.97x = 6,361,389,649.27
  5. Step 5: Solve for x
    x = 6,361,389,649.27/90,961.97
  6. Step 6: Final answer
    x = 69,934.61

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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.