Home / 112,749.16-169,134.92-41,690.44

Finding the Fourth Proportional to 112,749.16, 169,134.92 and 41,690.44

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Solution

The fourth proportional to 112,749.16, 169,134.92 and 41,690.44 is: 62,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,749.16 : 169,134.92 = 41,690.44 : x
  2. Step 2: Convert to fraction form
    112,749.16/169,134.92 = 41,690.44/x
  3. Step 3: Cross multiply
    112,749.16x = 169,134.92 × 41,690.44
  4. Step 4: Simplify right side
    112,749.16x = 7,051,309,234.16
  5. Step 5: Solve for x
    x = 7,051,309,234.16/112,749.16
  6. Step 6: Final answer
    x = 62,539.79

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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.