Home / 67,229.14-100,860.19-20,482.01

Finding the Fourth Proportional to 67,229.14, 100,860.19 and 20,482.01

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Solution

The fourth proportional to 67,229.14, 100,860.19 and 20,482.01 is: 30,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,229.14 : 100,860.19 = 20,482.01 : x
  2. Step 2: Convert to fraction form
    67,229.14/100,860.19 = 20,482.01/x
  3. Step 3: Cross multiply
    67,229.14x = 100,860.19 × 20,482.01
  4. Step 4: Simplify right side
    67,229.14x = 2,065,819,810.24
  5. Step 5: Solve for x
    x = 2,065,819,810.24/67,229.14
  6. Step 6: Final answer
    x = 30,728.04

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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.