Home / 52,118.88-78,149.16-17,049.12

Finding the Fourth Proportional to 52,118.88, 78,149.16 and 17,049.12

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Solution

The fourth proportional to 52,118.88, 78,149.16 and 17,049.12 is: 25,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.88 : 78,149.16 = 17,049.12 : x
  2. Step 2: Convert to fraction form
    52,118.88/78,149.16 = 17,049.12/x
  3. Step 3: Cross multiply
    52,118.88x = 78,149.16 × 17,049.12
  4. Step 4: Simplify right side
    52,118.88x = 1,332,374,406.74
  5. Step 5: Solve for x
    x = 1,332,374,406.74/52,118.88
  6. Step 6: Final answer
    x = 25,564.14

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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.