Home / 47,864.40-71,928.36-25,694.16

Finding the Fourth Proportional to 47,864.40, 71,928.36 and 25,694.16

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Solution

The fourth proportional to 47,864.40, 71,928.36 and 25,694.16 is: 38,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,864.40 : 71,928.36 = 25,694.16 : x
  2. Step 2: Convert to fraction form
    47,864.40/71,928.36 = 25,694.16/x
  3. Step 3: Cross multiply
    47,864.40x = 71,928.36 × 25,694.16
  4. Step 4: Simplify right side
    47,864.40x = 1,848,138,790.38
  5. Step 5: Solve for x
    x = 1,848,138,790.38/47,864.40
  6. Step 6: Final answer
    x = 38,611.97

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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.