Home / 76,849.83-115,287.03-32,476.95

Finding the Fourth Proportional to 76,849.83, 115,287.03 and 32,476.95

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Solution

The fourth proportional to 76,849.83, 115,287.03 and 32,476.95 is: 48,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,849.83 : 115,287.03 = 32,476.95 : x
  2. Step 2: Convert to fraction form
    76,849.83/115,287.03 = 32,476.95/x
  3. Step 3: Cross multiply
    76,849.83x = 115,287.03 × 32,476.95
  4. Step 4: Simplify right side
    76,849.83x = 3,744,171,108.96
  5. Step 5: Solve for x
    x = 3,744,171,108.96/76,849.83
  6. Step 6: Final answer
    x = 48,720.62

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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.