Home / 100,399.55-150,575.92-29,307.24

Finding the Fourth Proportional to 100,399.55, 150,575.92 and 29,307.24

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Solution

The fourth proportional to 100,399.55, 150,575.92 and 29,307.24 is: 43,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,399.55 : 150,575.92 = 29,307.24 : x
  2. Step 2: Convert to fraction form
    100,399.55/150,575.92 = 29,307.24/x
  3. Step 3: Cross multiply
    100,399.55x = 150,575.92 × 29,307.24
  4. Step 4: Simplify right side
    100,399.55x = 4,412,964,552.39
  5. Step 5: Solve for x
    x = 4,412,964,552.39/100,399.55
  6. Step 6: Final answer
    x = 43,954.03

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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.