Home / 55,359.96-82,974.94-25,715.32

Finding the Fourth Proportional to 55,359.96, 82,974.94 and 25,715.32

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Solution

The fourth proportional to 55,359.96, 82,974.94 and 25,715.32 is: 38,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,359.96 : 82,974.94 = 25,715.32 : x
  2. Step 2: Convert to fraction form
    55,359.96/82,974.94 = 25,715.32/x
  3. Step 3: Cross multiply
    55,359.96x = 82,974.94 × 25,715.32
  4. Step 4: Simplify right side
    55,359.96x = 2,133,727,134.08
  5. Step 5: Solve for x
    x = 2,133,727,134.08/55,359.96
  6. Step 6: Final answer
    x = 38,542.79

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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.