Home / 100,581.05-150,899.83-29,505.38

Finding the Fourth Proportional to 100,581.05, 150,899.83 and 29,505.38

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Solution

The fourth proportional to 100,581.05, 150,899.83 and 29,505.38 is: 44,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,581.05 : 150,899.83 = 29,505.38 : x
  2. Step 2: Convert to fraction form
    100,581.05/150,899.83 = 29,505.38/x
  3. Step 3: Cross multiply
    100,581.05x = 150,899.83 × 29,505.38
  4. Step 4: Simplify right side
    100,581.05x = 4,452,355,997.82
  5. Step 5: Solve for x
    x = 4,452,355,997.82/100,581.05
  6. Step 6: Final answer
    x = 44,266.35

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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.