Home / 57,132.24-85,689.92-33,450.72

Finding the Fourth Proportional to 57,132.24, 85,689.92 and 33,450.72

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Solution

The fourth proportional to 57,132.24, 85,689.92 and 33,450.72 is: 50,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132.24 : 85,689.92 = 33,450.72 : x
  2. Step 2: Convert to fraction form
    57,132.24/85,689.92 = 33,450.72/x
  3. Step 3: Cross multiply
    57,132.24x = 85,689.92 × 33,450.72
  4. Step 4: Simplify right side
    57,132.24x = 2,866,389,520.74
  5. Step 5: Solve for x
    x = 2,866,389,520.74/57,132.24
  6. Step 6: Final answer
    x = 50,171.14

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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.