Home / 58,105.31-87,046.92-39,293.15

Finding the Fourth Proportional to 58,105.31, 87,046.92 and 39,293.15

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Solution

The fourth proportional to 58,105.31, 87,046.92 and 39,293.15 is: 58,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,105.31 : 87,046.92 = 39,293.15 : x
  2. Step 2: Convert to fraction form
    58,105.31/87,046.92 = 39,293.15/x
  3. Step 3: Cross multiply
    58,105.31x = 87,046.92 × 39,293.15
  4. Step 4: Simplify right side
    58,105.31x = 3,420,347,249.36
  5. Step 5: Solve for x
    x = 3,420,347,249.36/58,105.31
  6. Step 6: Final answer
    x = 58,864.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.