Home / 79,192.55-118,763.66-25,872.37

Finding the Fourth Proportional to 79,192.55, 118,763.66 and 25,872.37

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Solution

The fourth proportional to 79,192.55, 118,763.66 and 25,872.37 is: 38,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.55 : 118,763.66 = 25,872.37 : x
  2. Step 2: Convert to fraction form
    79,192.55/118,763.66 = 25,872.37/x
  3. Step 3: Cross multiply
    79,192.55x = 118,763.66 × 25,872.37
  4. Step 4: Simplify right side
    79,192.55x = 3,072,697,121.85
  5. Step 5: Solve for x
    x = 3,072,697,121.85/79,192.55
  6. Step 6: Final answer
    x = 38,800.33

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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.