Home / 91,574.22-126,375.21-51,287.88

Finding the Fourth Proportional to 91,574.22, 126,375.21 and 51,287.88

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Solution

The fourth proportional to 91,574.22, 126,375.21 and 51,287.88 is: 70,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,574.22 : 126,375.21 = 51,287.88 : x
  2. Step 2: Convert to fraction form
    91,574.22/126,375.21 = 51,287.88/x
  3. Step 3: Cross multiply
    91,574.22x = 126,375.21 × 51,287.88
  4. Step 4: Simplify right side
    91,574.22x = 6,481,516,605.45
  5. Step 5: Solve for x
    x = 6,481,516,605.45/91,574.22
  6. Step 6: Final answer
    x = 70,778.83

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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.