Home / 52,238.20-78,367.22-17,187.96

Finding the Fourth Proportional to 52,238.20, 78,367.22 and 17,187.96

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Solution

The fourth proportional to 52,238.20, 78,367.22 and 17,187.96 is: 25,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,238.20 : 78,367.22 = 17,187.96 : x
  2. Step 2: Convert to fraction form
    52,238.20/78,367.22 = 17,187.96/x
  3. Step 3: Cross multiply
    52,238.20x = 78,367.22 × 17,187.96
  4. Step 4: Simplify right side
    52,238.20x = 1,346,972,642.67
  5. Step 5: Solve for x
    x = 1,346,972,642.67/52,238.20
  6. Step 6: Final answer
    x = 25,785.20

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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.