Home / 58,544.31-80,791.26-31,687.05

Finding the Fourth Proportional to 58,544.31, 80,791.26 and 31,687.05

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Solution

The fourth proportional to 58,544.31, 80,791.26 and 31,687.05 is: 43,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,544.31 : 80,791.26 = 31,687.05 : x
  2. Step 2: Convert to fraction form
    58,544.31/80,791.26 = 31,687.05/x
  3. Step 3: Cross multiply
    58,544.31x = 80,791.26 × 31,687.05
  4. Step 4: Simplify right side
    58,544.31x = 2,560,036,695.18
  5. Step 5: Solve for x
    x = 2,560,036,695.18/58,544.31
  6. Step 6: Final answer
    x = 43,728.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.