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Finding the Fourth Proportional to 84,133.32, 126,172.66 and 27,958.33

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Solution

The fourth proportional to 84,133.32, 126,172.66 and 27,958.33 is: 41,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,133.32 : 126,172.66 = 27,958.33 : x
  2. Step 2: Convert to fraction form
    84,133.32/126,172.66 = 27,958.33/x
  3. Step 3: Cross multiply
    84,133.32x = 126,172.66 × 27,958.33
  4. Step 4: Simplify right side
    84,133.32x = 3,527,576,865.26
  5. Step 5: Solve for x
    x = 3,527,576,865.26/84,133.32
  6. Step 6: Final answer
    x = 41,928.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.