Home / 88,003.07-131,689.26-76,197.56

Finding the Fourth Proportional to 88,003.07, 131,689.26 and 76,197.56

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Solution

The fourth proportional to 88,003.07, 131,689.26 and 76,197.56 is: 114,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,003.07 : 131,689.26 = 76,197.56 : x
  2. Step 2: Convert to fraction form
    88,003.07/131,689.26 = 76,197.56/x
  3. Step 3: Cross multiply
    88,003.07x = 131,689.26 × 76,197.56
  4. Step 4: Simplify right side
    88,003.07x = 10,034,399,631.76
  5. Step 5: Solve for x
    x = 10,034,399,631.76/88,003.07
  6. Step 6: Final answer
    x = 114,023.30

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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.