Home / 57,639.06-79,540.30-32,146.20

Finding the Fourth Proportional to 57,639.06, 79,540.30 and 32,146.20

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Solution

The fourth proportional to 57,639.06, 79,540.30 and 32,146.20 is: 44,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.06 : 79,540.30 = 32,146.20 : x
  2. Step 2: Convert to fraction form
    57,639.06/79,540.30 = 32,146.20/x
  3. Step 3: Cross multiply
    57,639.06x = 79,540.30 × 32,146.20
  4. Step 4: Simplify right side
    57,639.06x = 2,556,918,391.86
  5. Step 5: Solve for x
    x = 2,556,918,391.86/57,639.06
  6. Step 6: Final answer
    x = 44,360.86

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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.