Home / 99,331.57-149,063.60-36,151.67

Finding the Fourth Proportional to 99,331.57, 149,063.60 and 36,151.67

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Solution

The fourth proportional to 99,331.57, 149,063.60 and 36,151.67 is: 54,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,331.57 : 149,063.60 = 36,151.67 : x
  2. Step 2: Convert to fraction form
    99,331.57/149,063.60 = 36,151.67/x
  3. Step 3: Cross multiply
    99,331.57x = 149,063.60 × 36,151.67
  4. Step 4: Simplify right side
    99,331.57x = 5,388,898,380.47
  5. Step 5: Solve for x
    x = 5,388,898,380.47/99,331.57
  6. Step 6: Final answer
    x = 54,251.62

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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.