Home / 87,753-121,099.20-50,028.12

Finding the Fourth Proportional to 87,753, 121,099.20 and 50,028.12

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Solution

The fourth proportional to 87,753, 121,099.20 and 50,028.12 is: 69,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753 : 121,099.20 = 50,028.12 : x
  2. Step 2: Convert to fraction form
    87,753/121,099.20 = 50,028.12/x
  3. Step 3: Cross multiply
    87,753x = 121,099.20 × 50,028.12
  4. Step 4: Simplify right side
    87,753x = 6,058,365,309.50
  5. Step 5: Solve for x
    x = 6,058,365,309.50/87,753
  6. Step 6: Final answer
    x = 69,038.84

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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.