Home / 47,147.97-70,720.14-15,983.22

Finding the Fourth Proportional to 47,147.97, 70,720.14 and 15,983.22

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Solution

The fourth proportional to 47,147.97, 70,720.14 and 15,983.22 is: 23,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,147.97 : 70,720.14 = 15,983.22 : x
  2. Step 2: Convert to fraction form
    47,147.97/70,720.14 = 15,983.22/x
  3. Step 3: Cross multiply
    47,147.97x = 70,720.14 × 15,983.22
  4. Step 4: Simplify right side
    47,147.97x = 1,130,335,791.28
  5. Step 5: Solve for x
    x = 1,130,335,791.28/47,147.97
  6. Step 6: Final answer
    x = 23,974.22

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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.