Home / 58,537.52-80,781.15-31,679.43

Finding the Fourth Proportional to 58,537.52, 80,781.15 and 31,679.43

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Solution

The fourth proportional to 58,537.52, 80,781.15 and 31,679.43 is: 43,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,537.52 : 80,781.15 = 31,679.43 : x
  2. Step 2: Convert to fraction form
    58,537.52/80,781.15 = 31,679.43/x
  3. Step 3: Cross multiply
    58,537.52x = 80,781.15 × 31,679.43
  4. Step 4: Simplify right side
    58,537.52x = 2,559,100,786.74
  5. Step 5: Solve for x
    x = 2,559,100,786.74/58,537.52
  6. Step 6: Final answer
    x = 43,717.27

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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.