Home / 112,932.65-169,408.19-56,743.76

Finding the Fourth Proportional to 112,932.65, 169,408.19 and 56,743.76

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Solution

The fourth proportional to 112,932.65, 169,408.19 and 56,743.76 is: 85,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,932.65 : 169,408.19 = 56,743.76 : x
  2. Step 2: Convert to fraction form
    112,932.65/169,408.19 = 56,743.76/x
  3. Step 3: Cross multiply
    112,932.65x = 169,408.19 × 56,743.76
  4. Step 4: Simplify right side
    112,932.65x = 9,612,858,240.77
  5. Step 5: Solve for x
    x = 9,612,858,240.77/112,932.65
  6. Step 6: Final answer
    x = 85,120.27

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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.