Home / 87,849.97-121,233.03-47,563.77

Finding the Fourth Proportional to 87,849.97, 121,233.03 and 47,563.77

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Solution

The fourth proportional to 87,849.97, 121,233.03 and 47,563.77 is: 65,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.97 : 121,233.03 = 47,563.77 : x
  2. Step 2: Convert to fraction form
    87,849.97/121,233.03 = 47,563.77/x
  3. Step 3: Cross multiply
    87,849.97x = 121,233.03 × 47,563.77
  4. Step 4: Simplify right side
    87,849.97x = 5,766,299,955.32
  5. Step 5: Solve for x
    x = 5,766,299,955.32/87,849.97
  6. Step 6: Final answer
    x = 65,638.04

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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.