Home / 71,539.20-98,736.32-41,319.09

Finding the Fourth Proportional to 71,539.20, 98,736.32 and 41,319.09

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Solution

The fourth proportional to 71,539.20, 98,736.32 and 41,319.09 is: 57,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,539.20 : 98,736.32 = 41,319.09 : x
  2. Step 2: Convert to fraction form
    71,539.20/98,736.32 = 41,319.09/x
  3. Step 3: Cross multiply
    71,539.20x = 98,736.32 × 41,319.09
  4. Step 4: Simplify right side
    71,539.20x = 4,079,694,192.07
  5. Step 5: Solve for x
    x = 4,079,694,192.07/71,539.20
  6. Step 6: Final answer
    x = 57,027.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.