Home / 87,788.84-121,150.15-49,556.03

Finding the Fourth Proportional to 87,788.84, 121,150.15 and 49,556.03

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Solution

The fourth proportional to 87,788.84, 121,150.15 and 49,556.03 is: 68,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,788.84 : 121,150.15 = 49,556.03 : x
  2. Step 2: Convert to fraction form
    87,788.84/121,150.15 = 49,556.03/x
  3. Step 3: Cross multiply
    87,788.84x = 121,150.15 × 49,556.03
  4. Step 4: Simplify right side
    87,788.84x = 6,003,719,738.26
  5. Step 5: Solve for x
    x = 6,003,719,738.26/87,788.84
  6. Step 6: Final answer
    x = 68,388.19

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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.