Home / 52,219.20-78,338.72-17,168.96

Finding the Fourth Proportional to 52,219.20, 78,338.72 and 17,168.96

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Solution

The fourth proportional to 52,219.20, 78,338.72 and 17,168.96 is: 25,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,219.20 : 78,338.72 = 17,168.96 : x
  2. Step 2: Convert to fraction form
    52,219.20/78,338.72 = 17,168.96/x
  3. Step 3: Cross multiply
    52,219.20x = 78,338.72 × 17,168.96
  4. Step 4: Simplify right side
    52,219.20x = 1,344,994,350.13
  5. Step 5: Solve for x
    x = 1,344,994,350.13/52,219.20
  6. Step 6: Final answer
    x = 25,756.70

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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.