Home / 85,167.44-117,540.36-51,632.72

Finding the Fourth Proportional to 85,167.44, 117,540.36 and 51,632.72

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Solution

The fourth proportional to 85,167.44, 117,540.36 and 51,632.72 is: 71,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,167.44 : 117,540.36 = 51,632.72 : x
  2. Step 2: Convert to fraction form
    85,167.44/117,540.36 = 51,632.72/x
  3. Step 3: Cross multiply
    85,167.44x = 117,540.36 × 51,632.72
  4. Step 4: Simplify right side
    85,167.44x = 6,068,928,496.58
  5. Step 5: Solve for x
    x = 6,068,928,496.58/85,167.44
  6. Step 6: Final answer
    x = 71,258.79

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1.5x scale

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.