Home / 52,222.52-78,333.80-15,286.52

Finding the Fourth Proportional to 52,222.52, 78,333.80 and 15,286.52

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Solution

The fourth proportional to 52,222.52, 78,333.80 and 15,286.52 is: 22,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,222.52 : 78,333.80 = 15,286.52 : x
  2. Step 2: Convert to fraction form
    52,222.52/78,333.80 = 15,286.52/x
  3. Step 3: Cross multiply
    52,222.52x = 78,333.80 × 15,286.52
  4. Step 4: Simplify right side
    52,222.52x = 1,197,451,200.38
  5. Step 5: Solve for x
    x = 1,197,451,200.38/52,222.52
  6. Step 6: Final answer
    x = 22,929.79

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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.