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Finding the Fourth Proportional to 79,383.66, 109,549.22 and 43,572.90

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Solution

The fourth proportional to 79,383.66, 109,549.22 and 43,572.90 is: 60,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,383.66 : 109,549.22 = 43,572.90 : x
  2. Step 2: Convert to fraction form
    79,383.66/109,549.22 = 43,572.90/x
  3. Step 3: Cross multiply
    79,383.66x = 109,549.22 × 43,572.90
  4. Step 4: Simplify right side
    79,383.66x = 4,773,377,245.29
  5. Step 5: Solve for x
    x = 4,773,377,245.29/79,383.66
  6. Step 6: Final answer
    x = 60,130.48

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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.