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Finding the Fourth Proportional to 79,270.19, 109,389.95 and 43,459.41

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Solution

The fourth proportional to 79,270.19, 109,389.95 and 43,459.41 is: 59,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,270.19 : 109,389.95 = 43,459.41 : x
  2. Step 2: Convert to fraction form
    79,270.19/109,389.95 = 43,459.41/x
  3. Step 3: Cross multiply
    79,270.19x = 109,389.95 × 43,459.41
  4. Step 4: Simplify right side
    79,270.19x = 4,754,022,469.63
  5. Step 5: Solve for x
    x = 4,754,022,469.63/79,270.19
  6. Step 6: Final answer
    x = 59,972.39

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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.