Home / 79,299.14-109,434.31-43,487.01

Finding the Fourth Proportional to 79,299.14, 109,434.31 and 43,487.01

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Solution

The fourth proportional to 79,299.14, 109,434.31 and 43,487.01 is: 60,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,299.14 : 109,434.31 = 43,487.01 : x
  2. Step 2: Convert to fraction form
    79,299.14/109,434.31 = 43,487.01/x
  3. Step 3: Cross multiply
    79,299.14x = 109,434.31 × 43,487.01
  4. Step 4: Simplify right side
    79,299.14x = 4,758,970,824.60
  5. Step 5: Solve for x
    x = 4,758,970,824.60/79,299.14
  6. Step 6: Final answer
    x = 60,012.90

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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.