Home / 58,537.29-80,781.17-31,679.81

Finding the Fourth Proportional to 58,537.29, 80,781.17 and 31,679.81

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Solution

The fourth proportional to 58,537.29, 80,781.17 and 31,679.81 is: 43,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,537.29 : 80,781.17 = 31,679.81 : x
  2. Step 2: Convert to fraction form
    58,537.29/80,781.17 = 31,679.81/x
  3. Step 3: Cross multiply
    58,537.29x = 80,781.17 × 31,679.81
  4. Step 4: Simplify right side
    58,537.29x = 2,559,131,554.87
  5. Step 5: Solve for x
    x = 2,559,131,554.87/58,537.29
  6. Step 6: Final answer
    x = 43,717.97

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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.