Home / 76,743.68-115,127.82-32,376.96

Finding the Fourth Proportional to 76,743.68, 115,127.82 and 32,376.96

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Solution

The fourth proportional to 76,743.68, 115,127.82 and 32,376.96 is: 48,570.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,743.68 : 115,127.82 = 32,376.96 : x
  2. Step 2: Convert to fraction form
    76,743.68/115,127.82 = 32,376.96/x
  3. Step 3: Cross multiply
    76,743.68x = 115,127.82 × 32,376.96
  4. Step 4: Simplify right side
    76,743.68x = 3,727,488,948.96
  5. Step 5: Solve for x
    x = 3,727,488,948.96/76,743.68
  6. Step 6: Final answer
    x = 48,570.63

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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.