Home / 69,634.48-104,320.16-53,975.44

Finding the Fourth Proportional to 69,634.48, 104,320.16 and 53,975.44

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Solution

The fourth proportional to 69,634.48, 104,320.16 and 53,975.44 is: 80,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,634.48 : 104,320.16 = 53,975.44 : x
  2. Step 2: Convert to fraction form
    69,634.48/104,320.16 = 53,975.44/x
  3. Step 3: Cross multiply
    69,634.48x = 104,320.16 × 53,975.44
  4. Step 4: Simplify right side
    69,634.48x = 5,630,726,536.87
  5. Step 5: Solve for x
    x = 5,630,726,536.87/69,634.48
  6. Step 6: Final answer
    x = 80,861.18

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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.