Home / 57,682.20-86,571.90-26,140.80

Finding the Fourth Proportional to 57,682.20, 86,571.90 and 26,140.80

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Solution

The fourth proportional to 57,682.20, 86,571.90 and 26,140.80 is: 39,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,682.20 : 86,571.90 = 26,140.80 : x
  2. Step 2: Convert to fraction form
    57,682.20/86,571.90 = 26,140.80/x
  3. Step 3: Cross multiply
    57,682.20x = 86,571.90 × 26,140.80
  4. Step 4: Simplify right side
    57,682.20x = 2,263,058,723.52
  5. Step 5: Solve for x
    x = 2,263,058,723.52/57,682.20
  6. Step 6: Final answer
    x = 39,233.22

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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.