Home / 52,500.75-78,763.20-16,475.21

Finding the Fourth Proportional to 52,500.75, 78,763.20 and 16,475.21

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Solution

The fourth proportional to 52,500.75, 78,763.20 and 16,475.21 is: 24,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,500.75 : 78,763.20 = 16,475.21 : x
  2. Step 2: Convert to fraction form
    52,500.75/78,763.20 = 16,475.21/x
  3. Step 3: Cross multiply
    52,500.75x = 78,763.20 × 16,475.21
  4. Step 4: Simplify right side
    52,500.75x = 1,297,640,260.27
  5. Step 5: Solve for x
    x = 1,297,640,260.27/52,500.75
  6. Step 6: Final answer
    x = 24,716.60

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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.