Home / 48,081.45-72,114.88-16,909.41

Finding the Fourth Proportional to 48,081.45, 72,114.88 and 16,909.41

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Solution

The fourth proportional to 48,081.45, 72,114.88 and 16,909.41 is: 25,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,081.45 : 72,114.88 = 16,909.41 : x
  2. Step 2: Convert to fraction form
    48,081.45/72,114.88 = 16,909.41/x
  3. Step 3: Cross multiply
    48,081.45x = 72,114.88 × 16,909.41
  4. Step 4: Simplify right side
    48,081.45x = 1,219,419,760.32
  5. Step 5: Solve for x
    x = 1,219,419,760.32/48,081.45
  6. Step 6: Final answer
    x = 25,361.54

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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.