Home / 85,292.20-127,936.55-37,894.44

Finding the Fourth Proportional to 85,292.20, 127,936.55 and 37,894.44

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Solution

The fourth proportional to 85,292.20, 127,936.55 and 37,894.44 is: 56,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292.20 : 127,936.55 = 37,894.44 : x
  2. Step 2: Convert to fraction form
    85,292.20/127,936.55 = 37,894.44/x
  3. Step 3: Cross multiply
    85,292.20x = 127,936.55 × 37,894.44
  4. Step 4: Simplify right side
    85,292.20x = 4,848,083,919.30
  5. Step 5: Solve for x
    x = 4,848,083,919.30/85,292.20
  6. Step 6: Final answer
    x = 56,840.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.