Home / 54,860.22-82,399.68-51,765.48

Finding the Fourth Proportional to 54,860.22, 82,399.68 and 51,765.48

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Solution

The fourth proportional to 54,860.22, 82,399.68 and 51,765.48 is: 77,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,860.22 : 82,399.68 = 51,765.48 : x
  2. Step 2: Convert to fraction form
    54,860.22/82,399.68 = 51,765.48/x
  3. Step 3: Cross multiply
    54,860.22x = 82,399.68 × 51,765.48
  4. Step 4: Simplify right side
    54,860.22x = 4,265,458,987.05
  5. Step 5: Solve for x
    x = 4,265,458,987.05/54,860.22
  6. Step 6: Final answer
    x = 77,751.40

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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.