Home / 99,154.12-148,696.62-39,974.44

Finding the Fourth Proportional to 99,154.12, 148,696.62 and 39,974.44

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Solution

The fourth proportional to 99,154.12, 148,696.62 and 39,974.44 is: 59,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,154.12 : 148,696.62 = 39,974.44 : x
  2. Step 2: Convert to fraction form
    99,154.12/148,696.62 = 39,974.44/x
  3. Step 3: Cross multiply
    99,154.12x = 148,696.62 × 39,974.44
  4. Step 4: Simplify right side
    99,154.12x = 5,944,064,114.39
  5. Step 5: Solve for x
    x = 5,944,064,114.39/99,154.12
  6. Step 6: Final answer
    x = 59,947.73

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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.