Home / 47,379.96-65,381.52-25,865.42

Finding the Fourth Proportional to 47,379.96, 65,381.52 and 25,865.42

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Solution

The fourth proportional to 47,379.96, 65,381.52 and 25,865.42 is: 35,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,379.96 : 65,381.52 = 25,865.42 : x
  2. Step 2: Convert to fraction form
    47,379.96/65,381.52 = 25,865.42/x
  3. Step 3: Cross multiply
    47,379.96x = 65,381.52 × 25,865.42
  4. Step 4: Simplify right side
    47,379.96x = 1,691,120,475.04
  5. Step 5: Solve for x
    x = 1,691,120,475.04/47,379.96
  6. Step 6: Final answer
    x = 35,692.74

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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.