Home / 83,181.10-114,920.20-79,084.52

Finding the Fourth Proportional to 83,181.10, 114,920.20 and 79,084.52

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Solution

The fourth proportional to 83,181.10, 114,920.20 and 79,084.52 is: 109,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,181.10 : 114,920.20 = 79,084.52 : x
  2. Step 2: Convert to fraction form
    83,181.10/114,920.20 = 79,084.52/x
  3. Step 3: Cross multiply
    83,181.10x = 114,920.20 × 79,084.52
  4. Step 4: Simplify right side
    83,181.10x = 9,088,408,855.30
  5. Step 5: Solve for x
    x = 9,088,408,855.30/83,181.10
  6. Step 6: Final answer
    x = 109,260.50

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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.