Home / 83,625.36-115,457.04-51,828

Finding the Fourth Proportional to 83,625.36, 115,457.04 and 51,828

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Solution

The fourth proportional to 83,625.36, 115,457.04 and 51,828 is: 71,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,625.36 : 115,457.04 = 51,828 : x
  2. Step 2: Convert to fraction form
    83,625.36/115,457.04 = 51,828/x
  3. Step 3: Cross multiply
    83,625.36x = 115,457.04 × 51,828
  4. Step 4: Simplify right side
    83,625.36x = 5,983,907,469.12
  5. Step 5: Solve for x
    x = 5,983,907,469.12/83,625.36
  6. Step 6: Final answer
    x = 71,556.13

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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.