Home / 54,724.28-82,086.78-47,306.84

Finding the Fourth Proportional to 54,724.28, 82,086.78 and 47,306.84

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Solution

The fourth proportional to 54,724.28, 82,086.78 and 47,306.84 is: 70,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,724.28 : 82,086.78 = 47,306.84 : x
  2. Step 2: Convert to fraction form
    54,724.28/82,086.78 = 47,306.84/x
  3. Step 3: Cross multiply
    54,724.28x = 82,086.78 × 47,306.84
  4. Step 4: Simplify right side
    54,724.28x = 3,883,266,167.58
  5. Step 5: Solve for x
    x = 3,883,266,167.58/54,724.28
  6. Step 6: Final answer
    x = 70,960.57

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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.