Home / 101,718.87-152,557.44-38,517.19

Finding the Fourth Proportional to 101,718.87, 152,557.44 and 38,517.19

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Solution

The fourth proportional to 101,718.87, 152,557.44 and 38,517.19 is: 57,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,718.87 : 152,557.44 = 38,517.19 : x
  2. Step 2: Convert to fraction form
    101,718.87/152,557.44 = 38,517.19/x
  3. Step 3: Cross multiply
    101,718.87x = 152,557.44 × 38,517.19
  4. Step 4: Simplify right side
    101,718.87x = 5,876,083,902.39
  5. Step 5: Solve for x
    x = 5,876,083,902.39/101,718.87
  6. Step 6: Final answer
    x = 57,767.88

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1.5x scale

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.