Home / 79,621.38-119,412.78-23,446.20

Finding the Fourth Proportional to 79,621.38, 119,412.78 and 23,446.20

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Solution

The fourth proportional to 79,621.38, 119,412.78 and 23,446.20 is: 35,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621.38 : 119,412.78 = 23,446.20 : x
  2. Step 2: Convert to fraction form
    79,621.38/119,412.78 = 23,446.20/x
  3. Step 3: Cross multiply
    79,621.38x = 119,412.78 × 23,446.20
  4. Step 4: Simplify right side
    79,621.38x = 2,799,775,922.44
  5. Step 5: Solve for x
    x = 2,799,775,922.44/79,621.38
  6. Step 6: Final answer
    x = 35,163.62

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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.