Home / 99,438.24-149,112.72-29,292.96

Finding the Fourth Proportional to 99,438.24, 149,112.72 and 29,292.96

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Solution

The fourth proportional to 99,438.24, 149,112.72 and 29,292.96 is: 43,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,438.24 : 149,112.72 = 29,292.96 : x
  2. Step 2: Convert to fraction form
    99,438.24/149,112.72 = 29,292.96/x
  3. Step 3: Cross multiply
    99,438.24x = 149,112.72 × 29,292.96
  4. Step 4: Simplify right side
    99,438.24x = 4,367,952,942.45
  5. Step 5: Solve for x
    x = 4,367,952,942.45/99,438.24
  6. Step 6: Final answer
    x = 43,926.29

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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.