Home / 57,288.64-79,060.08-32,139.04

Finding the Fourth Proportional to 57,288.64, 79,060.08 and 32,139.04

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Solution

The fourth proportional to 57,288.64, 79,060.08 and 32,139.04 is: 44,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,288.64 : 79,060.08 = 32,139.04 : x
  2. Step 2: Convert to fraction form
    57,288.64/79,060.08 = 32,139.04/x
  3. Step 3: Cross multiply
    57,288.64x = 79,060.08 × 32,139.04
  4. Step 4: Simplify right side
    57,288.64x = 2,540,915,073.52
  5. Step 5: Solve for x
    x = 2,540,915,073.52/57,288.64
  6. Step 6: Final answer
    x = 44,352.86

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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.