Home / 79,975.70-119,711.98-54,868.94

Finding the Fourth Proportional to 79,975.70, 119,711.98 and 54,868.94

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Solution

The fourth proportional to 79,975.70, 119,711.98 and 54,868.94 is: 82,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,975.70 : 119,711.98 = 54,868.94 : x
  2. Step 2: Convert to fraction form
    79,975.70/119,711.98 = 54,868.94/x
  3. Step 3: Cross multiply
    79,975.70x = 119,711.98 × 54,868.94
  4. Step 4: Simplify right side
    79,975.70x = 6,568,469,447.90
  5. Step 5: Solve for x
    x = 6,568,469,447.90/79,975.70
  6. Step 6: Final answer
    x = 82,130.82

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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.