Home / 90,980.82-125,550.20-50,692.48

Finding the Fourth Proportional to 90,980.82, 125,550.20 and 50,692.48

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Solution

The fourth proportional to 90,980.82, 125,550.20 and 50,692.48 is: 69,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,980.82 : 125,550.20 = 50,692.48 : x
  2. Step 2: Convert to fraction form
    90,980.82/125,550.20 = 50,692.48/x
  3. Step 3: Cross multiply
    90,980.82x = 125,550.20 × 50,692.48
  4. Step 4: Simplify right side
    90,980.82x = 6,364,451,521.57
  5. Step 5: Solve for x
    x = 6,364,451,521.57/90,980.82
  6. Step 6: Final answer
    x = 69,953.77

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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.