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Finding the Fourth Proportional to 79,104.84, 109,162.80 and 43,294.80

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Solution

The fourth proportional to 79,104.84, 109,162.80 and 43,294.80 is: 59,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,104.84 : 109,162.80 = 43,294.80 : x
  2. Step 2: Convert to fraction form
    79,104.84/109,162.80 = 43,294.80/x
  3. Step 3: Cross multiply
    79,104.84x = 109,162.80 × 43,294.80
  4. Step 4: Simplify right side
    79,104.84x = 4,726,181,593.44
  5. Step 5: Solve for x
    x = 4,726,181,593.44/79,104.84
  6. Step 6: Final answer
    x = 59,745.80

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1.5x scale

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.