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Finding the Fourth Proportional to 79,909.88, 110,298.68 and 47,234.57

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Solution

The fourth proportional to 79,909.88, 110,298.68 and 47,234.57 is: 65,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,909.88 : 110,298.68 = 47,234.57 : x
  2. Step 2: Convert to fraction form
    79,909.88/110,298.68 = 47,234.57/x
  3. Step 3: Cross multiply
    79,909.88x = 110,298.68 × 47,234.57
  4. Step 4: Simplify right side
    79,909.88x = 5,209,909,933.70
  5. Step 5: Solve for x
    x = 5,209,909,933.70/79,909.88
  6. Step 6: Final answer
    x = 65,197.32

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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.