Home / 95,985.70-143,977.20-43,395.10

Finding the Fourth Proportional to 95,985.70, 143,977.20 and 43,395.10

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Solution

The fourth proportional to 95,985.70, 143,977.20 and 43,395.10 is: 65,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,985.70 : 143,977.20 = 43,395.10 : x
  2. Step 2: Convert to fraction form
    95,985.70/143,977.20 = 43,395.10/x
  3. Step 3: Cross multiply
    95,985.70x = 143,977.20 × 43,395.10
  4. Step 4: Simplify right side
    95,985.70x = 6,247,904,991.72
  5. Step 5: Solve for x
    x = 6,247,904,991.72/95,985.70
  6. Step 6: Final answer
    x = 65,092.04

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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.