Home / 47,135.20-65,046.81-25,915.83

Finding the Fourth Proportional to 47,135.20, 65,046.81 and 25,915.83

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Solution

The fourth proportional to 47,135.20, 65,046.81 and 25,915.83 is: 35,763.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.20 : 65,046.81 = 25,915.83 : x
  2. Step 2: Convert to fraction form
    47,135.20/65,046.81 = 25,915.83/x
  3. Step 3: Cross multiply
    47,135.20x = 65,046.81 × 25,915.83
  4. Step 4: Simplify right side
    47,135.20x = 1,685,741,744.77
  5. Step 5: Solve for x
    x = 1,685,741,744.77/47,135.20
  6. Step 6: Final answer
    x = 35,763.97

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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.