Home / 58,717.13-81,027.27-31,858.61

Finding the Fourth Proportional to 58,717.13, 81,027.27 and 31,858.61

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Solution

The fourth proportional to 58,717.13, 81,027.27 and 31,858.61 is: 43,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,717.13 : 81,027.27 = 31,858.61 : x
  2. Step 2: Convert to fraction form
    58,717.13/81,027.27 = 31,858.61/x
  3. Step 3: Cross multiply
    58,717.13x = 81,027.27 × 31,858.61
  4. Step 4: Simplify right side
    58,717.13x = 2,581,415,789.16
  5. Step 5: Solve for x
    x = 2,581,415,789.16/58,717.13
  6. Step 6: Final answer
    x = 43,963.59

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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.