Home / 112,929.76-169,168.78-67,926.26

Finding the Fourth Proportional to 112,929.76, 169,168.78 and 67,926.26

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Solution

The fourth proportional to 112,929.76, 169,168.78 and 67,926.26 is: 101,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,929.76 : 169,168.78 = 67,926.26 : x
  2. Step 2: Convert to fraction form
    112,929.76/169,168.78 = 67,926.26/x
  3. Step 3: Cross multiply
    112,929.76x = 169,168.78 × 67,926.26
  4. Step 4: Simplify right side
    112,929.76x = 11,491,002,194.53
  5. Step 5: Solve for x
    x = 11,491,002,194.53/112,929.76
  6. Step 6: Final answer
    x = 101,753.54

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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.