Home / 57,639.52-79,542.38-32,145.92

Finding the Fourth Proportional to 57,639.52, 79,542.38 and 32,145.92

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Solution

The fourth proportional to 57,639.52, 79,542.38 and 32,145.92 is: 44,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.52 : 79,542.38 = 32,145.92 : x
  2. Step 2: Convert to fraction form
    57,639.52/79,542.38 = 32,145.92/x
  3. Step 3: Cross multiply
    57,639.52x = 79,542.38 × 32,145.92
  4. Step 4: Simplify right side
    57,639.52x = 2,556,962,984.09
  5. Step 5: Solve for x
    x = 2,556,962,984.09/57,639.52
  6. Step 6: Final answer
    x = 44,361.28

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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.