Home / 71,873.76-99,194.56-43,579.36

Finding the Fourth Proportional to 71,873.76, 99,194.56 and 43,579.36

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Solution

The fourth proportional to 71,873.76, 99,194.56 and 43,579.36 is: 60,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,873.76 : 99,194.56 = 43,579.36 : x
  2. Step 2: Convert to fraction form
    71,873.76/99,194.56 = 43,579.36/x
  3. Step 3: Cross multiply
    71,873.76x = 99,194.56 × 43,579.36
  4. Step 4: Simplify right side
    71,873.76x = 4,322,835,440.28
  5. Step 5: Solve for x
    x = 4,322,835,440.28/71,873.76
  6. Step 6: Final answer
    x = 60,144.84

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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.