Home / 99,358.11-149,000.68-32,778.54

Finding the Fourth Proportional to 99,358.11, 149,000.68 and 32,778.54

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Solution

The fourth proportional to 99,358.11, 149,000.68 and 32,778.54 is: 49,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,358.11 : 149,000.68 = 32,778.54 : x
  2. Step 2: Convert to fraction form
    99,358.11/149,000.68 = 32,778.54/x
  3. Step 3: Cross multiply
    99,358.11x = 149,000.68 × 32,778.54
  4. Step 4: Simplify right side
    99,358.11x = 4,884,024,749.41
  5. Step 5: Solve for x
    x = 4,884,024,749.41/99,358.11
  6. Step 6: Final answer
    x = 49,155.77

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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.