Home / 48,742.80-73,118.82-13,682.34

Finding the Fourth Proportional to 48,742.80, 73,118.82 and 13,682.34

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Solution

The fourth proportional to 48,742.80, 73,118.82 and 13,682.34 is: 20,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742.80 : 73,118.82 = 13,682.34 : x
  2. Step 2: Convert to fraction form
    48,742.80/73,118.82 = 13,682.34/x
  3. Step 3: Cross multiply
    48,742.80x = 73,118.82 × 13,682.34
  4. Step 4: Simplify right side
    48,742.80x = 1,000,436,555.64
  5. Step 5: Solve for x
    x = 1,000,436,555.64/48,742.80
  6. Step 6: Final answer
    x = 20,524.81

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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.