Home / 113,169.82-156,186.21-62,868.82

Finding the Fourth Proportional to 113,169.82, 156,186.21 and 62,868.82

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Solution

The fourth proportional to 113,169.82, 156,186.21 and 62,868.82 is: 86,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,169.82 : 156,186.21 = 62,868.82 : x
  2. Step 2: Convert to fraction form
    113,169.82/156,186.21 = 62,868.82/x
  3. Step 3: Cross multiply
    113,169.82x = 156,186.21 × 62,868.82
  4. Step 4: Simplify right side
    113,169.82x = 9,819,242,722.97
  5. Step 5: Solve for x
    x = 9,819,242,722.97/113,169.82
  6. Step 6: Final answer
    x = 86,765.56

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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.