Home / 80,936.96-111,653.26-54,086.04

Finding the Fourth Proportional to 80,936.96, 111,653.26 and 54,086.04

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Solution

The fourth proportional to 80,936.96, 111,653.26 and 54,086.04 is: 74,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,936.96 : 111,653.26 = 54,086.04 : x
  2. Step 2: Convert to fraction form
    80,936.96/111,653.26 = 54,086.04/x
  3. Step 3: Cross multiply
    80,936.96x = 111,653.26 × 54,086.04
  4. Step 4: Simplify right side
    80,936.96x = 6,038,882,686.49
  5. Step 5: Solve for x
    x = 6,038,882,686.49/80,936.96
  6. Step 6: Final answer
    x = 74,612.18

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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.