Home / 47,142.54-70,695.26-17,149.64

Finding the Fourth Proportional to 47,142.54, 70,695.26 and 17,149.64

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Solution

The fourth proportional to 47,142.54, 70,695.26 and 17,149.64 is: 25,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,142.54 : 70,695.26 = 17,149.64 : x
  2. Step 2: Convert to fraction form
    47,142.54/70,695.26 = 17,149.64/x
  3. Step 3: Cross multiply
    47,142.54x = 70,695.26 × 17,149.64
  4. Step 4: Simplify right side
    47,142.54x = 1,212,398,258.71
  5. Step 5: Solve for x
    x = 1,212,398,258.71/47,142.54
  6. Step 6: Final answer
    x = 25,717.71

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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.