Home / 52,350.50-78,524.51-16,811.90

Finding the Fourth Proportional to 52,350.50, 78,524.51 and 16,811.90

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Solution

The fourth proportional to 52,350.50, 78,524.51 and 16,811.90 is: 25,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,350.50 : 78,524.51 = 16,811.90 : x
  2. Step 2: Convert to fraction form
    52,350.50/78,524.51 = 16,811.90/x
  3. Step 3: Cross multiply
    52,350.50x = 78,524.51 × 16,811.90
  4. Step 4: Simplify right side
    52,350.50x = 1,320,145,732.99
  5. Step 5: Solve for x
    x = 1,320,145,732.99/52,350.50
  6. Step 6: Final answer
    x = 25,217.45

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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.