Home / 79,069.75-118,617-34,103.86

Finding the Fourth Proportional to 79,069.75, 118,617 and 34,103.86

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Solution

The fourth proportional to 79,069.75, 118,617 and 34,103.86 is: 51,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,069.75 : 118,617 = 34,103.86 : x
  2. Step 2: Convert to fraction form
    79,069.75/118,617 = 34,103.86/x
  3. Step 3: Cross multiply
    79,069.75x = 118,617 × 34,103.86
  4. Step 4: Simplify right side
    79,069.75x = 4,045,297,561.62
  5. Step 5: Solve for x
    x = 4,045,297,561.62/79,069.75
  6. Step 6: Final answer
    x = 51,161.13

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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.