Home / 52,756.52-79,142.57-15,311.73

Finding the Fourth Proportional to 52,756.52, 79,142.57 and 15,311.73

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Solution

The fourth proportional to 52,756.52, 79,142.57 and 15,311.73 is: 22,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,756.52 : 79,142.57 = 15,311.73 : x
  2. Step 2: Convert to fraction form
    52,756.52/79,142.57 = 15,311.73/x
  3. Step 3: Cross multiply
    52,756.52x = 79,142.57 × 15,311.73
  4. Step 4: Simplify right side
    52,756.52x = 1,211,809,940.99
  5. Step 5: Solve for x
    x = 1,211,809,940.99/52,756.52
  6. Step 6: Final answer
    x = 22,969.86

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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.