Home / 82,610.88-124,042.68-72,832.56

Finding the Fourth Proportional to 82,610.88, 124,042.68 and 72,832.56

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Solution

The fourth proportional to 82,610.88, 124,042.68 and 72,832.56 is: 109,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,610.88 : 124,042.68 = 72,832.56 : x
  2. Step 2: Convert to fraction form
    82,610.88/124,042.68 = 72,832.56/x
  3. Step 3: Cross multiply
    82,610.88x = 124,042.68 × 72,832.56
  4. Step 4: Simplify right side
    82,610.88x = 9,034,345,933.66
  5. Step 5: Solve for x
    x = 9,034,345,933.66/82,610.88
  6. Step 6: Final answer
    x = 109,360.24

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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.