Home / 47,928.28-66,142.35-27,512.10

Finding the Fourth Proportional to 47,928.28, 66,142.35 and 27,512.10

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Solution

The fourth proportional to 47,928.28, 66,142.35 and 27,512.10 is: 37,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,928.28 : 66,142.35 = 27,512.10 : x
  2. Step 2: Convert to fraction form
    47,928.28/66,142.35 = 27,512.10/x
  3. Step 3: Cross multiply
    47,928.28x = 66,142.35 × 27,512.10
  4. Step 4: Simplify right side
    47,928.28x = 1,819,714,947.44
  5. Step 5: Solve for x
    x = 1,819,714,947.44/47,928.28
  6. Step 6: Final answer
    x = 37,967.46

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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.