Home / 57,113.43-85,672.57-17,671.29

Finding the Fourth Proportional to 57,113.43, 85,672.57 and 17,671.29

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Solution

The fourth proportional to 57,113.43, 85,672.57 and 17,671.29 is: 26,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.43 : 85,672.57 = 17,671.29 : x
  2. Step 2: Convert to fraction form
    57,113.43/85,672.57 = 17,671.29/x
  3. Step 3: Cross multiply
    57,113.43x = 85,672.57 × 17,671.29
  4. Step 4: Simplify right side
    57,113.43x = 1,513,944,829.52
  5. Step 5: Solve for x
    x = 1,513,944,829.52/57,113.43
  6. Step 6: Final answer
    x = 26,507.69

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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.