Home / 99,517.14-149,109.39-43,272.97

Finding the Fourth Proportional to 99,517.14, 149,109.39 and 43,272.97

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Solution

The fourth proportional to 99,517.14, 149,109.39 and 43,272.97 is: 64,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,517.14 : 149,109.39 = 43,272.97 : x
  2. Step 2: Convert to fraction form
    99,517.14/149,109.39 = 43,272.97/x
  3. Step 3: Cross multiply
    99,517.14x = 149,109.39 × 43,272.97
  4. Step 4: Simplify right side
    99,517.14x = 6,452,405,787.41
  5. Step 5: Solve for x
    x = 6,452,405,787.41/99,517.14
  6. Step 6: Final answer
    x = 64,837.13

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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.