Home / 75,121.64-112,664.00-25,200.62

Finding the Fourth Proportional to 75,121.64, 112,664.00 and 25,200.62

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Solution

The fourth proportional to 75,121.64, 112,664.00 and 25,200.62 is: 37,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,121.64 : 112,664.00 = 25,200.62 : x
  2. Step 2: Convert to fraction form
    75,121.64/112,664.00 = 25,200.62/x
  3. Step 3: Cross multiply
    75,121.64x = 112,664.00 × 25,200.62
  4. Step 4: Simplify right side
    75,121.64x = 2,839,202,151.36
  5. Step 5: Solve for x
    x = 2,839,202,151.36/75,121.64
  6. Step 6: Final answer
    x = 37,794.73

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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.