Home / 57,351.08-79,157.14-31,866.20

Finding the Fourth Proportional to 57,351.08, 79,157.14 and 31,866.20

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Solution

The fourth proportional to 57,351.08, 79,157.14 and 31,866.20 is: 43,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,351.08 : 79,157.14 = 31,866.20 : x
  2. Step 2: Convert to fraction form
    57,351.08/79,157.14 = 31,866.20/x
  3. Step 3: Cross multiply
    57,351.08x = 79,157.14 × 31,866.20
  4. Step 4: Simplify right side
    57,351.08x = 2,522,436,919.93
  5. Step 5: Solve for x
    x = 2,522,436,919.93/57,351.08
  6. Step 6: Final answer
    x = 43,982.38

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.