Home / 89,819.20-134,732.76-29,849.68

Finding the Fourth Proportional to 89,819.20, 134,732.76 and 29,849.68

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Solution

The fourth proportional to 89,819.20, 134,732.76 and 29,849.68 is: 44,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,819.20 : 134,732.76 = 29,849.68 : x
  2. Step 2: Convert to fraction form
    89,819.20/134,732.76 = 29,849.68/x
  3. Step 3: Cross multiply
    89,819.20x = 134,732.76 × 29,849.68
  4. Step 4: Simplify right side
    89,819.20x = 4,021,729,771.52
  5. Step 5: Solve for x
    x = 4,021,729,771.52/89,819.20
  6. Step 6: Final answer
    x = 44,775.84

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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.