Home / 89,184.88-123,050.64-55,177.03

Finding the Fourth Proportional to 89,184.88, 123,050.64 and 55,177.03

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Solution

The fourth proportional to 89,184.88, 123,050.64 and 55,177.03 is: 76,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,184.88 : 123,050.64 = 55,177.03 : x
  2. Step 2: Convert to fraction form
    89,184.88/123,050.64 = 55,177.03/x
  3. Step 3: Cross multiply
    89,184.88x = 123,050.64 × 55,177.03
  4. Step 4: Simplify right side
    89,184.88x = 6,789,568,854.80
  5. Step 5: Solve for x
    x = 6,789,568,854.80/89,184.88
  6. Step 6: Final answer
    x = 76,129.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.