Home / 87,992.48-121,397.81-57,794.18

Finding the Fourth Proportional to 87,992.48, 121,397.81 and 57,794.18

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Solution

The fourth proportional to 87,992.48, 121,397.81 and 57,794.18 is: 79,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,992.48 : 121,397.81 = 57,794.18 : x
  2. Step 2: Convert to fraction form
    87,992.48/121,397.81 = 57,794.18/x
  3. Step 3: Cross multiply
    87,992.48x = 121,397.81 × 57,794.18
  4. Step 4: Simplify right side
    87,992.48x = 7,016,085,986.79
  5. Step 5: Solve for x
    x = 7,016,085,986.79/87,992.48
  6. Step 6: Final answer
    x = 79,735.06

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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.