Home / 82,600.36-123,945.96-43,192.24

Finding the Fourth Proportional to 82,600.36, 123,945.96 and 43,192.24

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Solution

The fourth proportional to 82,600.36, 123,945.96 and 43,192.24 is: 64,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,600.36 : 123,945.96 = 43,192.24 : x
  2. Step 2: Convert to fraction form
    82,600.36/123,945.96 = 43,192.24/x
  3. Step 3: Cross multiply
    82,600.36x = 123,945.96 × 43,192.24
  4. Step 4: Simplify right side
    82,600.36x = 5,353,503,651.35
  5. Step 5: Solve for x
    x = 5,353,503,651.35/82,600.36
  6. Step 6: Final answer
    x = 64,812.11

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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.