Home / 45,376.32-68,083.97-15,778.02

Finding the Fourth Proportional to 45,376.32, 68,083.97 and 15,778.02

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Solution

The fourth proportional to 45,376.32, 68,083.97 and 15,778.02 is: 23,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,376.32 : 68,083.97 = 15,778.02 : x
  2. Step 2: Convert to fraction form
    45,376.32/68,083.97 = 15,778.02/x
  3. Step 3: Cross multiply
    45,376.32x = 68,083.97 × 15,778.02
  4. Step 4: Simplify right side
    45,376.32x = 1,074,230,161.45
  5. Step 5: Solve for x
    x = 1,074,230,161.45/45,376.32
  6. Step 6: Final answer
    x = 23,673.81

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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.