Home / 90,534.06-124,850.20-54,229.69

Finding the Fourth Proportional to 90,534.06, 124,850.20 and 54,229.69

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Solution

The fourth proportional to 90,534.06, 124,850.20 and 54,229.69 is: 74,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,534.06 : 124,850.20 = 54,229.69 : x
  2. Step 2: Convert to fraction form
    90,534.06/124,850.20 = 54,229.69/x
  3. Step 3: Cross multiply
    90,534.06x = 124,850.20 × 54,229.69
  4. Step 4: Simplify right side
    90,534.06x = 6,770,587,642.44
  5. Step 5: Solve for x
    x = 6,770,587,642.44/90,534.06
  6. Step 6: Final answer
    x = 74,784.98

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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.