Home / 79,715.43-119,550.42-27,123.75

Finding the Fourth Proportional to 79,715.43, 119,550.42 and 27,123.75

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Solution

The fourth proportional to 79,715.43, 119,550.42 and 27,123.75 is: 40,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715.43 : 119,550.42 = 27,123.75 : x
  2. Step 2: Convert to fraction form
    79,715.43/119,550.42 = 27,123.75/x
  3. Step 3: Cross multiply
    79,715.43x = 119,550.42 × 27,123.75
  4. Step 4: Simplify right side
    79,715.43x = 3,242,655,704.48
  5. Step 5: Solve for x
    x = 3,242,655,704.48/79,715.43
  6. Step 6: Final answer
    x = 40,677.89

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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.