Home / 87,703.22-121,085.79-60,836.33

Finding the Fourth Proportional to 87,703.22, 121,085.79 and 60,836.33

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Solution

The fourth proportional to 87,703.22, 121,085.79 and 60,836.33 is: 83,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,703.22 : 121,085.79 = 60,836.33 : x
  2. Step 2: Convert to fraction form
    87,703.22/121,085.79 = 60,836.33/x
  3. Step 3: Cross multiply
    87,703.22x = 121,085.79 × 60,836.33
  4. Step 4: Simplify right side
    87,703.22x = 7,366,415,153.33
  5. Step 5: Solve for x
    x = 7,366,415,153.33/87,703.22
  6. Step 6: Final answer
    x = 83,992.53

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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.