Home / 97,977.83-146,991.42-27,857.15

Finding the Fourth Proportional to 97,977.83, 146,991.42 and 27,857.15

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Solution

The fourth proportional to 97,977.83, 146,991.42 and 27,857.15 is: 41,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,977.83 : 146,991.42 = 27,857.15 : x
  2. Step 2: Convert to fraction form
    97,977.83/146,991.42 = 27,857.15/x
  3. Step 3: Cross multiply
    97,977.83x = 146,991.42 × 27,857.15
  4. Step 4: Simplify right side
    97,977.83x = 4,094,761,300.70
  5. Step 5: Solve for x
    x = 4,094,761,300.70/97,977.83
  6. Step 6: Final answer
    x = 41,792.73

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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.