Home / 99,396.45-149,016.24-49,449.29

Finding the Fourth Proportional to 99,396.45, 149,016.24 and 49,449.29

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Solution

The fourth proportional to 99,396.45, 149,016.24 and 49,449.29 is: 74,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,396.45 : 149,016.24 = 49,449.29 : x
  2. Step 2: Convert to fraction form
    99,396.45/149,016.24 = 49,449.29/x
  3. Step 3: Cross multiply
    99,396.45x = 149,016.24 × 49,449.29
  4. Step 4: Simplify right side
    99,396.45x = 7,368,746,521.39
  5. Step 5: Solve for x
    x = 7,368,746,521.39/99,396.45
  6. Step 6: Final answer
    x = 74,134.91

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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.