Home / 112,733.36-169,034.28-75,335.66

Finding the Fourth Proportional to 112,733.36, 169,034.28 and 75,335.66

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Solution

The fourth proportional to 112,733.36, 169,034.28 and 75,335.66 is: 112,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,733.36 : 169,034.28 = 75,335.66 : x
  2. Step 2: Convert to fraction form
    112,733.36/169,034.28 = 75,335.66/x
  3. Step 3: Cross multiply
    112,733.36x = 169,034.28 × 75,335.66
  4. Step 4: Simplify right side
    112,733.36x = 12,734,309,046.42
  5. Step 5: Solve for x
    x = 12,734,309,046.42/112,733.36
  6. Step 6: Final answer
    x = 112,959.54

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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.