Home / 109,382.38-150,947.78-59,081.38

Finding the Fourth Proportional to 109,382.38, 150,947.78 and 59,081.38

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Solution

The fourth proportional to 109,382.38, 150,947.78 and 59,081.38 is: 81,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,382.38 : 150,947.78 = 59,081.38 : x
  2. Step 2: Convert to fraction form
    109,382.38/150,947.78 = 59,081.38/x
  3. Step 3: Cross multiply
    109,382.38x = 150,947.78 × 59,081.38
  4. Step 4: Simplify right side
    109,382.38x = 8,918,203,150.34
  5. Step 5: Solve for x
    x = 8,918,203,150.34/109,382.38
  6. Step 6: Final answer
    x = 81,532.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.