Home / 90,692.32-125,145.88-50,399.57

Finding the Fourth Proportional to 90,692.32, 125,145.88 and 50,399.57

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Solution

The fourth proportional to 90,692.32, 125,145.88 and 50,399.57 is: 69,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,692.32 : 125,145.88 = 50,399.57 : x
  2. Step 2: Convert to fraction form
    90,692.32/125,145.88 = 50,399.57/x
  3. Step 3: Cross multiply
    90,692.32x = 125,145.88 × 50,399.57
  4. Step 4: Simplify right side
    90,692.32x = 6,307,298,539.27
  5. Step 5: Solve for x
    x = 6,307,298,539.27/90,692.32
  6. Step 6: Final answer
    x = 69,546.12

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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.