Home / 100,384.72-150,518.04-38,059.60

Finding the Fourth Proportional to 100,384.72, 150,518.04 and 38,059.60

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Solution

The fourth proportional to 100,384.72, 150,518.04 and 38,059.60 is: 57,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,384.72 : 150,518.04 = 38,059.60 : x
  2. Step 2: Convert to fraction form
    100,384.72/150,518.04 = 38,059.60/x
  3. Step 3: Cross multiply
    100,384.72x = 150,518.04 × 38,059.60
  4. Step 4: Simplify right side
    100,384.72x = 5,728,656,395.18
  5. Step 5: Solve for x
    x = 5,728,656,395.18/100,384.72
  6. Step 6: Final answer
    x = 57,067.02

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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.