Home / 69,181.20-103,771.83-53,409.26

Finding the Fourth Proportional to 69,181.20, 103,771.83 and 53,409.26

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Solution

The fourth proportional to 69,181.20, 103,771.83 and 53,409.26 is: 80,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,181.20 : 103,771.83 = 53,409.26 : x
  2. Step 2: Convert to fraction form
    69,181.20/103,771.83 = 53,409.26/x
  3. Step 3: Cross multiply
    69,181.20x = 103,771.83 × 53,409.26
  4. Step 4: Simplify right side
    69,181.20x = 5,542,376,130.29
  5. Step 5: Solve for x
    x = 5,542,376,130.29/69,181.20
  6. Step 6: Final answer
    x = 80,113.91

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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.