Home / 88,839.20-122,604.03-50,086.60

Finding the Fourth Proportional to 88,839.20, 122,604.03 and 50,086.60

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Solution

The fourth proportional to 88,839.20, 122,604.03 and 50,086.60 is: 69,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,839.20 : 122,604.03 = 50,086.60 : x
  2. Step 2: Convert to fraction form
    88,839.20/122,604.03 = 50,086.60/x
  3. Step 3: Cross multiply
    88,839.20x = 122,604.03 × 50,086.60
  4. Step 4: Simplify right side
    88,839.20x = 6,140,818,702.49
  5. Step 5: Solve for x
    x = 6,140,818,702.49/88,839.20
  6. Step 6: Final answer
    x = 69,122.85

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1.5x scale

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.