Home / 80,696.04-111,367.62-55,173.48

Finding the Fourth Proportional to 80,696.04, 111,367.62 and 55,173.48

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Solution

The fourth proportional to 80,696.04, 111,367.62 and 55,173.48 is: 76,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,696.04 : 111,367.62 = 55,173.48 : x
  2. Step 2: Convert to fraction form
    80,696.04/111,367.62 = 55,173.48/x
  3. Step 3: Cross multiply
    80,696.04x = 111,367.62 × 55,173.48
  4. Step 4: Simplify right side
    80,696.04x = 6,144,539,154.72
  5. Step 5: Solve for x
    x = 6,144,539,154.72/80,696.04
  6. Step 6: Final answer
    x = 76,144.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.