Home / 99,344.40-149,016.64-29,223.76

Finding the Fourth Proportional to 99,344.40, 149,016.64 and 29,223.76

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Solution

The fourth proportional to 99,344.40, 149,016.64 and 29,223.76 is: 43,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,344.40 : 149,016.64 = 29,223.76 : x
  2. Step 2: Convert to fraction form
    99,344.40/149,016.64 = 29,223.76/x
  3. Step 3: Cross multiply
    99,344.40x = 149,016.64 × 29,223.76
  4. Step 4: Simplify right side
    99,344.40x = 4,354,826,523.37
  5. Step 5: Solve for x
    x = 4,354,826,523.37/99,344.40
  6. Step 6: Final answer
    x = 43,835.65

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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.