Home / 79,273.40-109,396.05-43,463.72

Finding the Fourth Proportional to 79,273.40, 109,396.05 and 43,463.72

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Solution

The fourth proportional to 79,273.40, 109,396.05 and 43,463.72 is: 59,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,273.40 : 109,396.05 = 43,463.72 : x
  2. Step 2: Convert to fraction form
    79,273.40/109,396.05 = 43,463.72/x
  3. Step 3: Cross multiply
    79,273.40x = 109,396.05 × 43,463.72
  4. Step 4: Simplify right side
    79,273.40x = 4,754,759,286.31
  5. Step 5: Solve for x
    x = 4,754,759,286.31/79,273.40
  6. Step 6: Final answer
    x = 59,979.25

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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.