Home / 79,918.85-119,884.76-26,608.91

Finding the Fourth Proportional to 79,918.85, 119,884.76 and 26,608.91

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Solution

The fourth proportional to 79,918.85, 119,884.76 and 26,608.91 is: 39,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,918.85 : 119,884.76 = 26,608.91 : x
  2. Step 2: Convert to fraction form
    79,918.85/119,884.76 = 26,608.91/x
  3. Step 3: Cross multiply
    79,918.85x = 119,884.76 × 26,608.91
  4. Step 4: Simplify right side
    79,918.85x = 3,190,002,156.53
  5. Step 5: Solve for x
    x = 3,190,002,156.53/79,918.85
  6. Step 6: Final answer
    x = 39,915.52

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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.