Home / 71,977.96-108,003.39-48,555.19

Finding the Fourth Proportional to 71,977.96, 108,003.39 and 48,555.19

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Solution

The fourth proportional to 71,977.96, 108,003.39 and 48,555.19 is: 72,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,977.96 : 108,003.39 = 48,555.19 : x
  2. Step 2: Convert to fraction form
    71,977.96/108,003.39 = 48,555.19/x
  3. Step 3: Cross multiply
    71,977.96x = 108,003.39 × 48,555.19
  4. Step 4: Simplify right side
    71,977.96x = 5,244,124,852.09
  5. Step 5: Solve for x
    x = 5,244,124,852.09/71,977.96
  6. Step 6: Final answer
    x = 72,857.37

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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.