Home / 45,568.74-68,355.18-13,976.49

Finding the Fourth Proportional to 45,568.74, 68,355.18 and 13,976.49

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Solution

The fourth proportional to 45,568.74, 68,355.18 and 13,976.49 is: 20,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,568.74 : 68,355.18 = 13,976.49 : x
  2. Step 2: Convert to fraction form
    45,568.74/68,355.18 = 13,976.49/x
  3. Step 3: Cross multiply
    45,568.74x = 68,355.18 × 13,976.49
  4. Step 4: Simplify right side
    45,568.74x = 955,365,489.72
  5. Step 5: Solve for x
    x = 955,365,489.72/45,568.74
  6. Step 6: Final answer
    x = 20,965.37

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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.