Home / 74,072.20-111,125.60-21,482.68

Finding the Fourth Proportional to 74,072.20, 111,125.60 and 21,482.68

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Solution

The fourth proportional to 74,072.20, 111,125.60 and 21,482.68 is: 32,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,072.20 : 111,125.60 = 21,482.68 : x
  2. Step 2: Convert to fraction form
    74,072.20/111,125.60 = 21,482.68/x
  3. Step 3: Cross multiply
    74,072.20x = 111,125.60 × 21,482.68
  4. Step 4: Simplify right side
    74,072.20x = 2,387,275,704.61
  5. Step 5: Solve for x
    x = 2,387,275,704.61/74,072.20
  6. Step 6: Final answer
    x = 32,229.04

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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.