Home / 91,552.26-126,344.16-64,742.88

Finding the Fourth Proportional to 91,552.26, 126,344.16 and 64,742.88

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Solution

The fourth proportional to 91,552.26, 126,344.16 and 64,742.88 is: 89,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,552.26 : 126,344.16 = 64,742.88 : x
  2. Step 2: Convert to fraction form
    91,552.26/126,344.16 = 64,742.88/x
  3. Step 3: Cross multiply
    91,552.26x = 126,344.16 × 64,742.88
  4. Step 4: Simplify right side
    91,552.26x = 8,179,884,789.58
  5. Step 5: Solve for x
    x = 8,179,884,789.58/91,552.26
  6. Step 6: Final answer
    x = 89,346.62

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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.