Home / 76,918.80-115,378.20-32,534.04

Finding the Fourth Proportional to 76,918.80, 115,378.20 and 32,534.04

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Solution

The fourth proportional to 76,918.80, 115,378.20 and 32,534.04 is: 48,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,918.80 : 115,378.20 = 32,534.04 : x
  2. Step 2: Convert to fraction form
    76,918.80/115,378.20 = 32,534.04/x
  3. Step 3: Cross multiply
    76,918.80x = 115,378.20 × 32,534.04
  4. Step 4: Simplify right side
    76,918.80x = 3,753,718,973.93
  5. Step 5: Solve for x
    x = 3,753,718,973.93/76,918.80
  6. Step 6: Final answer
    x = 48,801.06

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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.