Home / 67,144.60-92,652.28-38,845

Finding the Fourth Proportional to 67,144.60, 92,652.28 and 38,845

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Solution

The fourth proportional to 67,144.60, 92,652.28 and 38,845 is: 53,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,144.60 : 92,652.28 = 38,845 : x
  2. Step 2: Convert to fraction form
    67,144.60/92,652.28 = 38,845/x
  3. Step 3: Cross multiply
    67,144.60x = 92,652.28 × 38,845
  4. Step 4: Simplify right side
    67,144.60x = 3,599,077,816.60
  5. Step 5: Solve for x
    x = 3,599,077,816.60/67,144.60
  6. Step 6: Final answer
    x = 53,601.90

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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.