Home / 90,972.20-125,550.88-50,692.52

Finding the Fourth Proportional to 90,972.20, 125,550.88 and 50,692.52

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Solution

The fourth proportional to 90,972.20, 125,550.88 and 50,692.52 is: 69,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,972.20 : 125,550.88 = 50,692.52 : x
  2. Step 2: Convert to fraction form
    90,972.20/125,550.88 = 50,692.52/x
  3. Step 3: Cross multiply
    90,972.20x = 125,550.88 × 50,692.52
  4. Step 4: Simplify right side
    90,972.20x = 6,364,490,495.42
  5. Step 5: Solve for x
    x = 6,364,490,495.42/90,972.20
  6. Step 6: Final answer
    x = 69,960.83

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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.