Home / 69,280.49-103,661.22-49,336.07

Finding the Fourth Proportional to 69,280.49, 103,661.22 and 49,336.07

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Solution

The fourth proportional to 69,280.49, 103,661.22 and 49,336.07 is: 73,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,280.49 : 103,661.22 = 49,336.07 : x
  2. Step 2: Convert to fraction form
    69,280.49/103,661.22 = 49,336.07/x
  3. Step 3: Cross multiply
    69,280.49x = 103,661.22 × 49,336.07
  4. Step 4: Simplify right side
    69,280.49x = 5,114,236,872.91
  5. Step 5: Solve for x
    x = 5,114,236,872.91/69,280.49
  6. Step 6: Final answer
    x = 73,819.29

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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.