Home / 57,155.40-78,874.38-32,005.08

Finding the Fourth Proportional to 57,155.40, 78,874.38 and 32,005.08

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Solution

The fourth proportional to 57,155.40, 78,874.38 and 32,005.08 is: 44,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,155.40 : 78,874.38 = 32,005.08 : x
  2. Step 2: Convert to fraction form
    57,155.40/78,874.38 = 32,005.08/x
  3. Step 3: Cross multiply
    57,155.40x = 78,874.38 × 32,005.08
  4. Step 4: Simplify right side
    57,155.40x = 2,524,380,841.85
  5. Step 5: Solve for x
    x = 2,524,380,841.85/57,155.40
  6. Step 6: Final answer
    x = 44,166.97

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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.