Home / 108,943.44-150,358.20-66,526.56

Finding the Fourth Proportional to 108,943.44, 150,358.20 and 66,526.56

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Solution

The fourth proportional to 108,943.44, 150,358.20 and 66,526.56 is: 91,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,943.44 : 150,358.20 = 66,526.56 : x
  2. Step 2: Convert to fraction form
    108,943.44/150,358.20 = 66,526.56/x
  3. Step 3: Cross multiply
    108,943.44x = 150,358.20 × 66,526.56
  4. Step 4: Simplify right side
    108,943.44x = 10,002,813,813.79
  5. Step 5: Solve for x
    x = 10,002,813,813.79/108,943.44
  6. Step 6: Final answer
    x = 91,816.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.