Home / 75,452.72-113,179.10-28,066.82

Finding the Fourth Proportional to 75,452.72, 113,179.10 and 28,066.82

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Solution

The fourth proportional to 75,452.72, 113,179.10 and 28,066.82 is: 42,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,452.72 : 113,179.10 = 28,066.82 : x
  2. Step 2: Convert to fraction form
    75,452.72/113,179.10 = 28,066.82/x
  3. Step 3: Cross multiply
    75,452.72x = 113,179.10 × 28,066.82
  4. Step 4: Simplify right side
    75,452.72x = 3,176,576,721.23
  5. Step 5: Solve for x
    x = 3,176,576,721.23/75,452.72
  6. Step 6: Final answer
    x = 42,100.23

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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.