Home / 75,181.16-112,736.43-43,600.20

Finding the Fourth Proportional to 75,181.16, 112,736.43 and 43,600.20

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Solution

The fourth proportional to 75,181.16, 112,736.43 and 43,600.20 is: 65,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,181.16 : 112,736.43 = 43,600.20 : x
  2. Step 2: Convert to fraction form
    75,181.16/112,736.43 = 43,600.20/x
  3. Step 3: Cross multiply
    75,181.16x = 112,736.43 × 43,600.20
  4. Step 4: Simplify right side
    75,181.16x = 4,915,330,912.22
  5. Step 5: Solve for x
    x = 4,915,330,912.22/75,181.16
  6. Step 6: Final answer
    x = 65,379.82

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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.