Home / 52,137.62-78,217.50-17,074.70

Finding the Fourth Proportional to 52,137.62, 78,217.50 and 17,074.70

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Solution

The fourth proportional to 52,137.62, 78,217.50 and 17,074.70 is: 25,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,137.62 : 78,217.50 = 17,074.70 : x
  2. Step 2: Convert to fraction form
    52,137.62/78,217.50 = 17,074.70/x
  3. Step 3: Cross multiply
    52,137.62x = 78,217.50 × 17,074.70
  4. Step 4: Simplify right side
    52,137.62x = 1,335,540,347.25
  5. Step 5: Solve for x
    x = 1,335,540,347.25/52,137.62
  6. Step 6: Final answer
    x = 25,615.68

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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.