Home / 84,067.62-115,998.90-50,071.92

Finding the Fourth Proportional to 84,067.62, 115,998.90 and 50,071.92

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Solution

The fourth proportional to 84,067.62, 115,998.90 and 50,071.92 is: 69,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,067.62 : 115,998.90 = 50,071.92 : x
  2. Step 2: Convert to fraction form
    84,067.62/115,998.90 = 50,071.92/x
  3. Step 3: Cross multiply
    84,067.62x = 115,998.90 × 50,071.92
  4. Step 4: Simplify right side
    84,067.62x = 5,808,287,640.89
  5. Step 5: Solve for x
    x = 5,808,287,640.89/84,067.62
  6. Step 6: Final answer
    x = 69,090.66

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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.