Home / 74,278.72-111,452.10-32,171.68

Finding the Fourth Proportional to 74,278.72, 111,452.10 and 32,171.68

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Solution

The fourth proportional to 74,278.72, 111,452.10 and 32,171.68 is: 48,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,278.72 : 111,452.10 = 32,171.68 : x
  2. Step 2: Convert to fraction form
    74,278.72/111,452.10 = 32,171.68/x
  3. Step 3: Cross multiply
    74,278.72x = 111,452.10 × 32,171.68
  4. Step 4: Simplify right side
    74,278.72x = 3,585,601,296.53
  5. Step 5: Solve for x
    x = 3,585,601,296.53/74,278.72
  6. Step 6: Final answer
    x = 48,272.25

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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.