Home / 57,174.30-78,875.67-35,919.90

Finding the Fourth Proportional to 57,174.30, 78,875.67 and 35,919.90

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Solution

The fourth proportional to 57,174.30, 78,875.67 and 35,919.90 is: 49,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,174.30 : 78,875.67 = 35,919.90 : x
  2. Step 2: Convert to fraction form
    57,174.30/78,875.67 = 35,919.90/x
  3. Step 3: Cross multiply
    57,174.30x = 78,875.67 × 35,919.90
  4. Step 4: Simplify right side
    57,174.30x = 2,833,206,178.83
  5. Step 5: Solve for x
    x = 2,833,206,178.83/57,174.30
  6. Step 6: Final answer
    x = 49,553.84

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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.