Home / 58,743.28-81,067.42-31,887.49

Finding the Fourth Proportional to 58,743.28, 81,067.42 and 31,887.49

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Solution

The fourth proportional to 58,743.28, 81,067.42 and 31,887.49 is: 44,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,743.28 : 81,067.42 = 31,887.49 : x
  2. Step 2: Convert to fraction form
    58,743.28/81,067.42 = 31,887.49/x
  3. Step 3: Cross multiply
    58,743.28x = 81,067.42 × 31,887.49
  4. Step 4: Simplify right side
    58,743.28x = 2,585,036,146.92
  5. Step 5: Solve for x
    x = 2,585,036,146.92/58,743.28
  6. Step 6: Final answer
    x = 44,005.65

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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.