Home / 72,121.19-108,170.84-25,363.13

Finding the Fourth Proportional to 72,121.19, 108,170.84 and 25,363.13

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Solution

The fourth proportional to 72,121.19, 108,170.84 and 25,363.13 is: 38,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,121.19 : 108,170.84 = 25,363.13 : x
  2. Step 2: Convert to fraction form
    72,121.19/108,170.84 = 25,363.13/x
  3. Step 3: Cross multiply
    72,121.19x = 108,170.84 × 25,363.13
  4. Step 4: Simplify right side
    72,121.19x = 2,743,550,599.68
  5. Step 5: Solve for x
    x = 2,743,550,599.68/72,121.19
  6. Step 6: Final answer
    x = 38,040.84

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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.