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Finding the Fourth Proportional to 79,994.49, 119,811.30 and 62,082.06

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Solution

The fourth proportional to 79,994.49, 119,811.30 and 62,082.06 is: 92,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,994.49 : 119,811.30 = 62,082.06 : x
  2. Step 2: Convert to fraction form
    79,994.49/119,811.30 = 62,082.06/x
  3. Step 3: Cross multiply
    79,994.49x = 119,811.30 × 62,082.06
  4. Step 4: Simplify right side
    79,994.49x = 7,438,132,315.28
  5. Step 5: Solve for x
    x = 7,438,132,315.28/79,994.49
  6. Step 6: Final answer
    x = 92,983.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.