Home / 52,760.40-79,117.44-15,815.76

Finding the Fourth Proportional to 52,760.40, 79,117.44 and 15,815.76

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Solution

The fourth proportional to 52,760.40, 79,117.44 and 15,815.76 is: 23,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,760.40 : 79,117.44 = 15,815.76 : x
  2. Step 2: Convert to fraction form
    52,760.40/79,117.44 = 15,815.76/x
  3. Step 3: Cross multiply
    52,760.40x = 79,117.44 × 15,815.76
  4. Step 4: Simplify right side
    52,760.40x = 1,251,302,442.85
  5. Step 5: Solve for x
    x = 1,251,302,442.85/52,760.40
  6. Step 6: Final answer
    x = 23,716.70

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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.