Home / 61,040.91-91,590.53-38,879.31

Finding the Fourth Proportional to 61,040.91, 91,590.53 and 38,879.31

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Solution

The fourth proportional to 61,040.91, 91,590.53 and 38,879.31 is: 58,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,040.91 : 91,590.53 = 38,879.31 : x
  2. Step 2: Convert to fraction form
    61,040.91/91,590.53 = 38,879.31/x
  3. Step 3: Cross multiply
    61,040.91x = 91,590.53 × 38,879.31
  4. Step 4: Simplify right side
    61,040.91x = 3,560,976,608.93
  5. Step 5: Solve for x
    x = 3,560,976,608.93/61,040.91
  6. Step 6: Final answer
    x = 58,337.54

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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.