Home / 83,536.92-125,027.07-66,818.52

Finding the Fourth Proportional to 83,536.92, 125,027.07 and 66,818.52

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Solution

The fourth proportional to 83,536.92, 125,027.07 and 66,818.52 is: 100,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,536.92 : 125,027.07 = 66,818.52 : x
  2. Step 2: Convert to fraction form
    83,536.92/125,027.07 = 66,818.52/x
  3. Step 3: Cross multiply
    83,536.92x = 125,027.07 × 66,818.52
  4. Step 4: Simplify right side
    83,536.92x = 8,354,123,777.34
  5. Step 5: Solve for x
    x = 8,354,123,777.34/83,536.92
  6. Step 6: Final answer
    x = 100,005.17

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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.