Home / 100,557.73-150,836.57-25,675.20

Finding the Fourth Proportional to 100,557.73, 150,836.57 and 25,675.20

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Solution

The fourth proportional to 100,557.73, 150,836.57 and 25,675.20 is: 38,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,557.73 : 150,836.57 = 25,675.20 : x
  2. Step 2: Convert to fraction form
    100,557.73/150,836.57 = 25,675.20/x
  3. Step 3: Cross multiply
    100,557.73x = 150,836.57 × 25,675.20
  4. Step 4: Simplify right side
    100,557.73x = 3,872,758,973.69
  5. Step 5: Solve for x
    x = 3,872,758,973.69/100,557.73
  6. Step 6: Final answer
    x = 38,512.79

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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.