Home / 80,114.23-120,185.81-26,801.15

Finding the Fourth Proportional to 80,114.23, 120,185.81 and 26,801.15

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Solution

The fourth proportional to 80,114.23, 120,185.81 and 26,801.15 is: 40,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,114.23 : 120,185.81 = 26,801.15 : x
  2. Step 2: Convert to fraction form
    80,114.23/120,185.81 = 26,801.15/x
  3. Step 3: Cross multiply
    80,114.23x = 120,185.81 × 26,801.15
  4. Step 4: Simplify right side
    80,114.23x = 3,221,117,787.68
  5. Step 5: Solve for x
    x = 3,221,117,787.68/80,114.23
  6. Step 6: Final answer
    x = 40,206.56

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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.