Home / 69,280.70-103,661.56-49,336.29

Finding the Fourth Proportional to 69,280.70, 103,661.56 and 49,336.29

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Solution

The fourth proportional to 69,280.70, 103,661.56 and 49,336.29 is: 73,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,280.70 : 103,661.56 = 49,336.29 : x
  2. Step 2: Convert to fraction form
    69,280.70/103,661.56 = 49,336.29/x
  3. Step 3: Cross multiply
    69,280.70x = 103,661.56 × 49,336.29
  4. Step 4: Simplify right side
    69,280.70x = 5,114,276,786.01
  5. Step 5: Solve for x
    x = 5,114,276,786.01/69,280.70
  6. Step 6: Final answer
    x = 73,819.65

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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.