Home / 75,852.24-113,778.25-71,177.52

Finding the Fourth Proportional to 75,852.24, 113,778.25 and 71,177.52

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Solution

The fourth proportional to 75,852.24, 113,778.25 and 71,177.52 is: 106,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,852.24 : 113,778.25 = 71,177.52 : x
  2. Step 2: Convert to fraction form
    75,852.24/113,778.25 = 71,177.52/x
  3. Step 3: Cross multiply
    75,852.24x = 113,778.25 × 71,177.52
  4. Step 4: Simplify right side
    75,852.24x = 8,098,453,664.94
  5. Step 5: Solve for x
    x = 8,098,453,664.94/75,852.24
  6. Step 6: Final answer
    x = 106,766.18

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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.