Home / 90,979.37-125,549.84-50,692.27

Finding the Fourth Proportional to 90,979.37, 125,549.84 and 50,692.27

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Solution

The fourth proportional to 90,979.37, 125,549.84 and 50,692.27 is: 69,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,979.37 : 125,549.84 = 50,692.27 : x
  2. Step 2: Convert to fraction form
    90,979.37/125,549.84 = 50,692.27/x
  3. Step 3: Cross multiply
    90,979.37x = 125,549.84 × 50,692.27
  4. Step 4: Simplify right side
    90,979.37x = 6,364,405,759.99
  5. Step 5: Solve for x
    x = 6,364,405,759.99/90,979.37
  6. Step 6: Final answer
    x = 69,954.38

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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.