Home / 123,562.24-170,514.04-69,845.36

Finding the Fourth Proportional to 123,562.24, 170,514.04 and 69,845.36

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Solution

The fourth proportional to 123,562.24, 170,514.04 and 69,845.36 is: 96,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,562.24 : 170,514.04 = 69,845.36 : x
  2. Step 2: Convert to fraction form
    123,562.24/170,514.04 = 69,845.36/x
  3. Step 3: Cross multiply
    123,562.24x = 170,514.04 × 69,845.36
  4. Step 4: Simplify right side
    123,562.24x = 11,909,614,508.85
  5. Step 5: Solve for x
    x = 11,909,614,508.85/123,562.24
  6. Step 6: Final answer
    x = 96,385.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.