Home / 47,255.28-70,896.78-13,976.22

Finding the Fourth Proportional to 47,255.28, 70,896.78 and 13,976.22

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Solution

The fourth proportional to 47,255.28, 70,896.78 and 13,976.22 is: 20,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255.28 : 70,896.78 = 13,976.22 : x
  2. Step 2: Convert to fraction form
    47,255.28/70,896.78 = 13,976.22/x
  3. Step 3: Cross multiply
    47,255.28x = 70,896.78 × 13,976.22
  4. Step 4: Simplify right side
    47,255.28x = 990,868,994.57
  5. Step 5: Solve for x
    x = 990,868,994.57/47,255.28
  6. Step 6: Final answer
    x = 20,968.43

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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.