Home / 55,177.22-82,765.40-36,540.65

Finding the Fourth Proportional to 55,177.22, 82,765.40 and 36,540.65

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Solution

The fourth proportional to 55,177.22, 82,765.40 and 36,540.65 is: 54,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,177.22 : 82,765.40 = 36,540.65 : x
  2. Step 2: Convert to fraction form
    55,177.22/82,765.40 = 36,540.65/x
  3. Step 3: Cross multiply
    55,177.22x = 82,765.40 × 36,540.65
  4. Step 4: Simplify right side
    55,177.22x = 3,024,301,537.72
  5. Step 5: Solve for x
    x = 3,024,301,537.72/55,177.22
  6. Step 6: Final answer
    x = 54,810.69

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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.