Home / 54,104.68-81,163.50-19,037.08

Finding the Fourth Proportional to 54,104.68, 81,163.50 and 19,037.08

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Solution

The fourth proportional to 54,104.68, 81,163.50 and 19,037.08 is: 28,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,104.68 : 81,163.50 = 19,037.08 : x
  2. Step 2: Convert to fraction form
    54,104.68/81,163.50 = 19,037.08/x
  3. Step 3: Cross multiply
    54,104.68x = 81,163.50 × 19,037.08
  4. Step 4: Simplify right side
    54,104.68x = 1,545,116,042.58
  5. Step 5: Solve for x
    x = 1,545,116,042.58/54,104.68
  6. Step 6: Final answer
    x = 28,557.90

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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.