Home / 63,672.38-87,867.90-35,378.06

Finding the Fourth Proportional to 63,672.38, 87,867.90 and 35,378.06

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Solution

The fourth proportional to 63,672.38, 87,867.90 and 35,378.06 is: 48,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,672.38 : 87,867.90 = 35,378.06 : x
  2. Step 2: Convert to fraction form
    63,672.38/87,867.90 = 35,378.06/x
  3. Step 3: Cross multiply
    63,672.38x = 87,867.90 × 35,378.06
  4. Step 4: Simplify right side
    63,672.38x = 3,108,595,661.38
  5. Step 5: Solve for x
    x = 3,108,595,661.38/63,672.38
  6. Step 6: Final answer
    x = 48,821.73

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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.