Home / 52,891.24-79,231.02-31,819.60

Finding the Fourth Proportional to 52,891.24, 79,231.02 and 31,819.60

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Solution

The fourth proportional to 52,891.24, 79,231.02 and 31,819.60 is: 47,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,891.24 : 79,231.02 = 31,819.60 : x
  2. Step 2: Convert to fraction form
    52,891.24/79,231.02 = 31,819.60/x
  3. Step 3: Cross multiply
    52,891.24x = 79,231.02 × 31,819.60
  4. Step 4: Simplify right side
    52,891.24x = 2,521,099,363.99
  5. Step 5: Solve for x
    x = 2,521,099,363.99/52,891.24
  6. Step 6: Final answer
    x = 47,665.73

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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.