Home / 79,132.33-109,202.64-43,324.62

Finding the Fourth Proportional to 79,132.33, 109,202.64 and 43,324.62

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Solution

The fourth proportional to 79,132.33, 109,202.64 and 43,324.62 is: 59,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.33 : 109,202.64 = 43,324.62 : x
  2. Step 2: Convert to fraction form
    79,132.33/109,202.64 = 43,324.62/x
  3. Step 3: Cross multiply
    79,132.33x = 109,202.64 × 43,324.62
  4. Step 4: Simplify right side
    79,132.33x = 4,731,162,334.98
  5. Step 5: Solve for x
    x = 4,731,162,334.98/79,132.33
  6. Step 6: Final answer
    x = 59,787.98

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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.