Home / 79,669.71-119,520.23-26,359.56

Finding the Fourth Proportional to 79,669.71, 119,520.23 and 26,359.56

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Solution

The fourth proportional to 79,669.71, 119,520.23 and 26,359.56 is: 39,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,669.71 : 119,520.23 = 26,359.56 : x
  2. Step 2: Convert to fraction form
    79,669.71/119,520.23 = 26,359.56/x
  3. Step 3: Cross multiply
    79,669.71x = 119,520.23 × 26,359.56
  4. Step 4: Simplify right side
    79,669.71x = 3,150,500,542.10
  5. Step 5: Solve for x
    x = 3,150,500,542.10/79,669.71
  6. Step 6: Final answer
    x = 39,544.52

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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.