Home / 90,766.22-125,264.93-50,487.57

Finding the Fourth Proportional to 90,766.22, 125,264.93 and 50,487.57

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Solution

The fourth proportional to 90,766.22, 125,264.93 and 50,487.57 is: 69,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,766.22 : 125,264.93 = 50,487.57 : x
  2. Step 2: Convert to fraction form
    90,766.22/125,264.93 = 50,487.57/x
  3. Step 3: Cross multiply
    90,766.22x = 125,264.93 × 50,487.57
  4. Step 4: Simplify right side
    90,766.22x = 6,324,321,669.48
  5. Step 5: Solve for x
    x = 6,324,321,669.48/90,766.22
  6. Step 6: Final answer
    x = 69,677.05

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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.