Home / 115,519.96-173,236.20-45,361

Finding the Fourth Proportional to 115,519.96, 173,236.20 and 45,361

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Solution

The fourth proportional to 115,519.96, 173,236.20 and 45,361 is: 68,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,519.96 : 173,236.20 = 45,361 : x
  2. Step 2: Convert to fraction form
    115,519.96/173,236.20 = 45,361/x
  3. Step 3: Cross multiply
    115,519.96x = 173,236.20 × 45,361
  4. Step 4: Simplify right side
    115,519.96x = 7,858,167,268.20
  5. Step 5: Solve for x
    x = 7,858,167,268.20/115,519.96
  6. Step 6: Final answer
    x = 68,024.32

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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.