Home / 115,782.12-173,756.21-49,268.97

Finding the Fourth Proportional to 115,782.12, 173,756.21 and 49,268.97

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Solution

The fourth proportional to 115,782.12, 173,756.21 and 49,268.97 is: 73,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,782.12 : 173,756.21 = 49,268.97 : x
  2. Step 2: Convert to fraction form
    115,782.12/173,756.21 = 49,268.97/x
  3. Step 3: Cross multiply
    115,782.12x = 173,756.21 × 49,268.97
  4. Step 4: Simplify right side
    115,782.12x = 8,560,789,251.46
  5. Step 5: Solve for x
    x = 8,560,789,251.46/115,782.12
  6. Step 6: Final answer
    x = 73,938.78

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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.