Home / 79,788.18-119,704.47-34,813.47

Finding the Fourth Proportional to 79,788.18, 119,704.47 and 34,813.47

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Solution

The fourth proportional to 79,788.18, 119,704.47 and 34,813.47 is: 52,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,788.18 : 119,704.47 = 34,813.47 : x
  2. Step 2: Convert to fraction form
    79,788.18/119,704.47 = 34,813.47/x
  3. Step 3: Cross multiply
    79,788.18x = 119,704.47 × 34,813.47
  4. Step 4: Simplify right side
    79,788.18x = 4,167,327,975.21
  5. Step 5: Solve for x
    x = 4,167,327,975.21/79,788.18
  6. Step 6: Final answer
    x = 52,229.89

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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.