Home / 87,824-121,164.04-57,625.99

Finding the Fourth Proportional to 87,824, 121,164.04 and 57,625.99

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Solution

The fourth proportional to 87,824, 121,164.04 and 57,625.99 is: 79,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824 : 121,164.04 = 57,625.99 : x
  2. Step 2: Convert to fraction form
    87,824/121,164.04 = 57,625.99/x
  3. Step 3: Cross multiply
    87,824x = 121,164.04 × 57,625.99
  4. Step 4: Simplify right side
    87,824x = 6,982,197,757.40
  5. Step 5: Solve for x
    x = 6,982,197,757.40/87,824
  6. Step 6: Final answer
    x = 79,502.16

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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.