Home / 107,859.20-161,740.20-41,277.20

Finding the Fourth Proportional to 107,859.20, 161,740.20 and 41,277.20

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Solution

The fourth proportional to 107,859.20, 161,740.20 and 41,277.20 is: 61,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,859.20 : 161,740.20 = 41,277.20 : x
  2. Step 2: Convert to fraction form
    107,859.20/161,740.20 = 41,277.20/x
  3. Step 3: Cross multiply
    107,859.20x = 161,740.20 × 41,277.20
  4. Step 4: Simplify right side
    107,859.20x = 6,676,182,583.44
  5. Step 5: Solve for x
    x = 6,676,182,583.44/107,859.20
  6. Step 6: Final answer
    x = 61,897.20

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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.