Home / 91,081.28-125,692.28-50,244.48

Finding the Fourth Proportional to 91,081.28, 125,692.28 and 50,244.48

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Solution

The fourth proportional to 91,081.28, 125,692.28 and 50,244.48 is: 69,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,081.28 : 125,692.28 = 50,244.48 : x
  2. Step 2: Convert to fraction form
    91,081.28/125,692.28 = 50,244.48/x
  3. Step 3: Cross multiply
    91,081.28x = 125,692.28 × 50,244.48
  4. Step 4: Simplify right side
    91,081.28x = 6,315,342,997.39
  5. Step 5: Solve for x
    x = 6,315,342,997.39/91,081.28
  6. Step 6: Final answer
    x = 69,337.45

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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.