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Finding the Fourth Proportional to 79,132.41, 109,198.63 and 43,315.63

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Solution

The fourth proportional to 79,132.41, 109,198.63 and 43,315.63 is: 59,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.41 : 109,198.63 = 43,315.63 : x
  2. Step 2: Convert to fraction form
    79,132.41/109,198.63 = 43,315.63/x
  3. Step 3: Cross multiply
    79,132.41x = 109,198.63 × 43,315.63
  4. Step 4: Simplify right side
    79,132.41x = 4,730,007,234.73
  5. Step 5: Solve for x
    x = 4,730,007,234.73/79,132.41
  6. Step 6: Final answer
    x = 59,773.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.