Home / 79,418.20-109,602.72-52,513.96

Finding the Fourth Proportional to 79,418.20, 109,602.72 and 52,513.96

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Solution

The fourth proportional to 79,418.20, 109,602.72 and 52,513.96 is: 72,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,418.20 : 109,602.72 = 52,513.96 : x
  2. Step 2: Convert to fraction form
    79,418.20/109,602.72 = 52,513.96/x
  3. Step 3: Cross multiply
    79,418.20x = 109,602.72 × 52,513.96
  4. Step 4: Simplify right side
    79,418.20x = 5,755,672,853.97
  5. Step 5: Solve for x
    x = 5,755,672,853.97/79,418.20
  6. Step 6: Final answer
    x = 72,472.97

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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.