Home / 85,067.16-117,390.78-47,344.92

Finding the Fourth Proportional to 85,067.16, 117,390.78 and 47,344.92

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Solution

The fourth proportional to 85,067.16, 117,390.78 and 47,344.92 is: 65,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,067.16 : 117,390.78 = 47,344.92 : x
  2. Step 2: Convert to fraction form
    85,067.16/117,390.78 = 47,344.92/x
  3. Step 3: Cross multiply
    85,067.16x = 117,390.78 × 47,344.92
  4. Step 4: Simplify right side
    85,067.16x = 5,557,857,087.84
  5. Step 5: Solve for x
    x = 5,557,857,087.84/85,067.16
  6. Step 6: Final answer
    x = 65,334.93

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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.