Home / 55,826.20-83,609.70-54,530.20

Finding the Fourth Proportional to 55,826.20, 83,609.70 and 54,530.20

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Solution

The fourth proportional to 55,826.20, 83,609.70 and 54,530.20 is: 81,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,826.20 : 83,609.70 = 54,530.20 : x
  2. Step 2: Convert to fraction form
    55,826.20/83,609.70 = 54,530.20/x
  3. Step 3: Cross multiply
    55,826.20x = 83,609.70 × 54,530.20
  4. Step 4: Simplify right side
    55,826.20x = 4,559,253,662.94
  5. Step 5: Solve for x
    x = 4,559,253,662.94/55,826.20
  6. Step 6: Final answer
    x = 81,668.71

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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.