Home / 83,917.60-125,894.92-27,775.20

Finding the Fourth Proportional to 83,917.60, 125,894.92 and 27,775.20

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Solution

The fourth proportional to 83,917.60, 125,894.92 and 27,775.20 is: 41,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,917.60 : 125,894.92 = 27,775.20 : x
  2. Step 2: Convert to fraction form
    83,917.60/125,894.92 = 27,775.20/x
  3. Step 3: Cross multiply
    83,917.60x = 125,894.92 × 27,775.20
  4. Step 4: Simplify right side
    83,917.60x = 3,496,756,581.98
  5. Step 5: Solve for x
    x = 3,496,756,581.98/83,917.60
  6. Step 6: Final answer
    x = 41,668.93

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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.