Home / 71,728.03-107,568.78-23,685.83

Finding the Fourth Proportional to 71,728.03, 107,568.78 and 23,685.83

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Solution

The fourth proportional to 71,728.03, 107,568.78 and 23,685.83 is: 35,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,728.03 : 107,568.78 = 23,685.83 : x
  2. Step 2: Convert to fraction form
    71,728.03/107,568.78 = 23,685.83/x
  3. Step 3: Cross multiply
    71,728.03x = 107,568.78 × 23,685.83
  4. Step 4: Simplify right side
    71,728.03x = 2,547,856,218.18
  5. Step 5: Solve for x
    x = 2,547,856,218.18/71,728.03
  6. Step 6: Final answer
    x = 35,521.07

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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.