Home / 57,605.56-86,400.13-18,157.55

Finding the Fourth Proportional to 57,605.56, 86,400.13 and 18,157.55

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Solution

The fourth proportional to 57,605.56, 86,400.13 and 18,157.55 is: 27,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,605.56 : 86,400.13 = 18,157.55 : x
  2. Step 2: Convert to fraction form
    57,605.56/86,400.13 = 18,157.55/x
  3. Step 3: Cross multiply
    57,605.56x = 86,400.13 × 18,157.55
  4. Step 4: Simplify right side
    57,605.56x = 1,568,814,680.48
  5. Step 5: Solve for x
    x = 1,568,814,680.48/57,605.56
  6. Step 6: Final answer
    x = 27,233.74

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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.