Home / 68,962.72-103,489.44-37,819.84

Finding the Fourth Proportional to 68,962.72, 103,489.44 and 37,819.84

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Solution

The fourth proportional to 68,962.72, 103,489.44 and 37,819.84 is: 56,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,962.72 : 103,489.44 = 37,819.84 : x
  2. Step 2: Convert to fraction form
    68,962.72/103,489.44 = 37,819.84/x
  3. Step 3: Cross multiply
    68,962.72x = 103,489.44 × 37,819.84
  4. Step 4: Simplify right side
    68,962.72x = 3,913,954,062.49
  5. Step 5: Solve for x
    x = 3,913,954,062.49/68,962.72
  6. Step 6: Final answer
    x = 56,754.64

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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.