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Finding the Fourth Proportional to 63,101.34, 87,079.50 and 34,420.86

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Solution

The fourth proportional to 63,101.34, 87,079.50 and 34,420.86 is: 47,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,101.34 : 87,079.50 = 34,420.86 : x
  2. Step 2: Convert to fraction form
    63,101.34/87,079.50 = 34,420.86/x
  3. Step 3: Cross multiply
    63,101.34x = 87,079.50 × 34,420.86
  4. Step 4: Simplify right side
    63,101.34x = 2,997,351,278.37
  5. Step 5: Solve for x
    x = 2,997,351,278.37/63,101.34
  6. Step 6: Final answer
    x = 47,500.60

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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.