Home / 75,279.22-112,932.67-61,362.73

Finding the Fourth Proportional to 75,279.22, 112,932.67 and 61,362.73

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Solution

The fourth proportional to 75,279.22, 112,932.67 and 61,362.73 is: 92,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.22 : 112,932.67 = 61,362.73 : x
  2. Step 2: Convert to fraction form
    75,279.22/112,932.67 = 61,362.73/x
  3. Step 3: Cross multiply
    75,279.22x = 112,932.67 × 61,362.73
  4. Step 4: Simplify right side
    75,279.22x = 6,929,856,937.39
  5. Step 5: Solve for x
    x = 6,929,856,937.39/75,279.22
  6. Step 6: Final answer
    x = 92,055.38

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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.