Home / 109,059.31-150,499.68-60,660.19

Finding the Fourth Proportional to 109,059.31, 150,499.68 and 60,660.19

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Solution

The fourth proportional to 109,059.31, 150,499.68 and 60,660.19 is: 83,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,059.31 : 150,499.68 = 60,660.19 : x
  2. Step 2: Convert to fraction form
    109,059.31/150,499.68 = 60,660.19/x
  3. Step 3: Cross multiply
    109,059.31x = 150,499.68 × 60,660.19
  4. Step 4: Simplify right side
    109,059.31x = 9,129,339,183.74
  5. Step 5: Solve for x
    x = 9,129,339,183.74/109,059.31
  6. Step 6: Final answer
    x = 83,709.86

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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.