Home / 79,742.91-110,044.95-43,932.61

Finding the Fourth Proportional to 79,742.91, 110,044.95 and 43,932.61

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Solution

The fourth proportional to 79,742.91, 110,044.95 and 43,932.61 is: 60,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,742.91 : 110,044.95 = 43,932.61 : x
  2. Step 2: Convert to fraction form
    79,742.91/110,044.95 = 43,932.61/x
  3. Step 3: Cross multiply
    79,742.91x = 110,044.95 × 43,932.61
  4. Step 4: Simplify right side
    79,742.91x = 4,834,561,870.82
  5. Step 5: Solve for x
    x = 4,834,561,870.82/79,742.91
  6. Step 6: Final answer
    x = 60,626.86

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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.