Home / 100,653.52-151,015.92-56,318.44

Finding the Fourth Proportional to 100,653.52, 151,015.92 and 56,318.44

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Solution

The fourth proportional to 100,653.52, 151,015.92 and 56,318.44 is: 84,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,653.52 : 151,015.92 = 56,318.44 : x
  2. Step 2: Convert to fraction form
    100,653.52/151,015.92 = 56,318.44/x
  3. Step 3: Cross multiply
    100,653.52x = 151,015.92 × 56,318.44
  4. Step 4: Simplify right side
    100,653.52x = 8,504,981,029.56
  5. Step 5: Solve for x
    x = 8,504,981,029.56/100,653.52
  6. Step 6: Final answer
    x = 84,497.60

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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.