Home / 57,169.92-78,893.52-31,676.04

Finding the Fourth Proportional to 57,169.92, 78,893.52 and 31,676.04

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Solution

The fourth proportional to 57,169.92, 78,893.52 and 31,676.04 is: 43,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,169.92 : 78,893.52 = 31,676.04 : x
  2. Step 2: Convert to fraction form
    57,169.92/78,893.52 = 31,676.04/x
  3. Step 3: Cross multiply
    57,169.92x = 78,893.52 × 31,676.04
  4. Step 4: Simplify right side
    57,169.92x = 2,499,034,295.26
  5. Step 5: Solve for x
    x = 2,499,034,295.26/57,169.92
  6. Step 6: Final answer
    x = 43,712.40

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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.