Home / 76,908.62-115,371.16-32,539.86

Finding the Fourth Proportional to 76,908.62, 115,371.16 and 32,539.86

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Solution

The fourth proportional to 76,908.62, 115,371.16 and 32,539.86 is: 48,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,908.62 : 115,371.16 = 32,539.86 : x
  2. Step 2: Convert to fraction form
    76,908.62/115,371.16 = 32,539.86/x
  3. Step 3: Cross multiply
    76,908.62x = 115,371.16 × 32,539.86
  4. Step 4: Simplify right side
    76,908.62x = 3,754,161,394.44
  5. Step 5: Solve for x
    x = 3,754,161,394.44/76,908.62
  6. Step 6: Final answer
    x = 48,813.27

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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.