Home / 71,939.84-107,899.52-22,690.56

Finding the Fourth Proportional to 71,939.84, 107,899.52 and 22,690.56

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Solution

The fourth proportional to 71,939.84, 107,899.52 and 22,690.56 is: 34,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939.84 : 107,899.52 = 22,690.56 : x
  2. Step 2: Convert to fraction form
    71,939.84/107,899.52 = 22,690.56/x
  3. Step 3: Cross multiply
    71,939.84x = 107,899.52 × 22,690.56
  4. Step 4: Simplify right side
    71,939.84x = 2,448,300,532.53
  5. Step 5: Solve for x
    x = 2,448,300,532.53/71,939.84
  6. Step 6: Final answer
    x = 34,032.61

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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.