Home / 107,324.61-160,986.75-40,764.61

Finding the Fourth Proportional to 107,324.61, 160,986.75 and 40,764.61

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Solution

The fourth proportional to 107,324.61, 160,986.75 and 40,764.61 is: 61,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,324.61 : 160,986.75 = 40,764.61 : x
  2. Step 2: Convert to fraction form
    107,324.61/160,986.75 = 40,764.61/x
  3. Step 3: Cross multiply
    107,324.61x = 160,986.75 × 40,764.61
  4. Step 4: Simplify right side
    107,324.61x = 6,562,562,078.92
  5. Step 5: Solve for x
    x = 6,562,562,078.92/107,324.61
  6. Step 6: Final answer
    x = 61,146.85

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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.