Home / 112,789.48-169,171.14-29,689.96

Finding the Fourth Proportional to 112,789.48, 169,171.14 and 29,689.96

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Solution

The fourth proportional to 112,789.48, 169,171.14 and 29,689.96 is: 44,531.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,789.48 : 169,171.14 = 29,689.96 : x
  2. Step 2: Convert to fraction form
    112,789.48/169,171.14 = 29,689.96/x
  3. Step 3: Cross multiply
    112,789.48x = 169,171.14 × 29,689.96
  4. Step 4: Simplify right side
    112,789.48x = 5,022,684,379.75
  5. Step 5: Solve for x
    x = 5,022,684,379.75/112,789.48
  6. Step 6: Final answer
    x = 44,531.50

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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.