Home / 90,761.02-125,250.33-50,474.78

Finding the Fourth Proportional to 90,761.02, 125,250.33 and 50,474.78

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Solution

The fourth proportional to 90,761.02, 125,250.33 and 50,474.78 is: 69,655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,761.02 : 125,250.33 = 50,474.78 : x
  2. Step 2: Convert to fraction form
    90,761.02/125,250.33 = 50,474.78/x
  3. Step 3: Cross multiply
    90,761.02x = 125,250.33 × 50,474.78
  4. Step 4: Simplify right side
    90,761.02x = 6,321,982,542.19
  5. Step 5: Solve for x
    x = 6,321,982,542.19/90,761.02
  6. Step 6: Final answer
    x = 69,655.26

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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.