Home / 113,049.57-169,352.66-65,564.91

Finding the Fourth Proportional to 113,049.57, 169,352.66 and 65,564.91

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Solution

The fourth proportional to 113,049.57, 169,352.66 and 65,564.91 is: 98,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,049.57 : 169,352.66 = 65,564.91 : x
  2. Step 2: Convert to fraction form
    113,049.57/169,352.66 = 65,564.91/x
  3. Step 3: Cross multiply
    113,049.57x = 169,352.66 × 65,564.91
  4. Step 4: Simplify right side
    113,049.57x = 11,103,591,651.69
  5. Step 5: Solve for x
    x = 11,103,591,651.69/113,049.57
  6. Step 6: Final answer
    x = 98,218.78

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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.