Home / 91,617.44-126,422.16-67,757.60

Finding the Fourth Proportional to 91,617.44, 126,422.16 and 67,757.60

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Solution

The fourth proportional to 91,617.44, 126,422.16 and 67,757.60 is: 93,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,617.44 : 126,422.16 = 67,757.60 : x
  2. Step 2: Convert to fraction form
    91,617.44/126,422.16 = 67,757.60/x
  3. Step 3: Cross multiply
    91,617.44x = 126,422.16 × 67,757.60
  4. Step 4: Simplify right side
    91,617.44x = 8,566,062,148.42
  5. Step 5: Solve for x
    x = 8,566,062,148.42/91,617.44
  6. Step 6: Final answer
    x = 93,498.16

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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.