Home / 73,080.20-109,613.12-49,538.97

Finding the Fourth Proportional to 73,080.20, 109,613.12 and 49,538.97

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Solution

The fourth proportional to 73,080.20, 109,613.12 and 49,538.97 is: 74,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,080.20 : 109,613.12 = 49,538.97 : x
  2. Step 2: Convert to fraction form
    73,080.20/109,613.12 = 49,538.97/x
  3. Step 3: Cross multiply
    73,080.20x = 109,613.12 × 49,538.97
  4. Step 4: Simplify right side
    73,080.20x = 5,430,121,063.29
  5. Step 5: Solve for x
    x = 5,430,121,063.29/73,080.20
  6. Step 6: Final answer
    x = 74,303.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.