Home / 100,557.24-150,855.32-38,222.88

Finding the Fourth Proportional to 100,557.24, 150,855.32 and 38,222.88

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Solution

The fourth proportional to 100,557.24, 150,855.32 and 38,222.88 is: 57,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,557.24 : 150,855.32 = 38,222.88 : x
  2. Step 2: Convert to fraction form
    100,557.24/150,855.32 = 38,222.88/x
  3. Step 3: Cross multiply
    100,557.24x = 150,855.32 × 38,222.88
  4. Step 4: Simplify right side
    100,557.24x = 5,766,124,793.72
  5. Step 5: Solve for x
    x = 5,766,124,793.72/100,557.24
  6. Step 6: Final answer
    x = 57,341.72

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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.