Home / 99,546.91-149,318.77-36,366.76

Finding the Fourth Proportional to 99,546.91, 149,318.77 and 36,366.76

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Solution

The fourth proportional to 99,546.91, 149,318.77 and 36,366.76 is: 54,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,546.91 : 149,318.77 = 36,366.76 : x
  2. Step 2: Convert to fraction form
    99,546.91/149,318.77 = 36,366.76/x
  3. Step 3: Cross multiply
    99,546.91x = 149,318.77 × 36,366.76
  4. Step 4: Simplify right side
    99,546.91x = 5,430,239,872.09
  5. Step 5: Solve for x
    x = 5,430,239,872.09/99,546.91
  6. Step 6: Final answer
    x = 54,549.56

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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.