Home / 54,610.12-81,934.54-31,256.20

Finding the Fourth Proportional to 54,610.12, 81,934.54 and 31,256.20

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Solution

The fourth proportional to 54,610.12, 81,934.54 and 31,256.20 is: 46,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,610.12 : 81,934.54 = 31,256.20 : x
  2. Step 2: Convert to fraction form
    54,610.12/81,934.54 = 31,256.20/x
  3. Step 3: Cross multiply
    54,610.12x = 81,934.54 × 31,256.20
  4. Step 4: Simplify right side
    54,610.12x = 2,560,962,369.15
  5. Step 5: Solve for x
    x = 2,560,962,369.15/54,610.12
  6. Step 6: Final answer
    x = 46,895.38

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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.