Home / 107,962.86-161,939.70-36,891.87

Finding the Fourth Proportional to 107,962.86, 161,939.70 and 36,891.87

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Solution

The fourth proportional to 107,962.86, 161,939.70 and 36,891.87 is: 55,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,962.86 : 161,939.70 = 36,891.87 : x
  2. Step 2: Convert to fraction form
    107,962.86/161,939.70 = 36,891.87/x
  3. Step 3: Cross multiply
    107,962.86x = 161,939.70 × 36,891.87
  4. Step 4: Simplify right side
    107,962.86x = 5,974,258,360.24
  5. Step 5: Solve for x
    x = 5,974,258,360.24/107,962.86
  6. Step 6: Final answer
    x = 55,336.24

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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.