Home / 54,163.38-81,253.71-19,097.94

Finding the Fourth Proportional to 54,163.38, 81,253.71 and 19,097.94

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Solution

The fourth proportional to 54,163.38, 81,253.71 and 19,097.94 is: 28,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.38 : 81,253.71 = 19,097.94 : x
  2. Step 2: Convert to fraction form
    54,163.38/81,253.71 = 19,097.94/x
  3. Step 3: Cross multiply
    54,163.38x = 81,253.71 × 19,097.94
  4. Step 4: Simplify right side
    54,163.38x = 1,551,778,478.36
  5. Step 5: Solve for x
    x = 1,551,778,478.36/54,163.38
  6. Step 6: Final answer
    x = 28,649.96

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1.5x scale

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.