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Finding the Fourth Proportional to 63,376.86, 87,450.90 and 35,082.48

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Solution

The fourth proportional to 63,376.86, 87,450.90 and 35,082.48 is: 48,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,376.86 : 87,450.90 = 35,082.48 : x
  2. Step 2: Convert to fraction form
    63,376.86/87,450.90 = 35,082.48/x
  3. Step 3: Cross multiply
    63,376.86x = 87,450.90 × 35,082.48
  4. Step 4: Simplify right side
    63,376.86x = 3,067,994,450.23
  5. Step 5: Solve for x
    x = 3,067,994,450.23/63,376.86
  6. Step 6: Final answer
    x = 48,408.75

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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.