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Finding the Fourth Proportional to 63,279.27, 87,327.27 and 34,600.64

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Solution

The fourth proportional to 63,279.27, 87,327.27 and 34,600.64 is: 47,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,279.27 : 87,327.27 = 34,600.64 : x
  2. Step 2: Convert to fraction form
    63,279.27/87,327.27 = 34,600.64/x
  3. Step 3: Cross multiply
    63,279.27x = 87,327.27 × 34,600.64
  4. Step 4: Simplify right side
    63,279.27x = 3,021,578,994.82
  5. Step 5: Solve for x
    x = 3,021,578,994.82/63,279.27
  6. Step 6: Final answer
    x = 47,749.90

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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.