Home / 92,836.28-139,255.18-26,278.60

Finding the Fourth Proportional to 92,836.28, 139,255.18 and 26,278.60

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Solution

The fourth proportional to 92,836.28, 139,255.18 and 26,278.60 is: 39,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,836.28 : 139,255.18 = 26,278.60 : x
  2. Step 2: Convert to fraction form
    92,836.28/139,255.18 = 26,278.60/x
  3. Step 3: Cross multiply
    92,836.28x = 139,255.18 × 26,278.60
  4. Step 4: Simplify right side
    92,836.28x = 3,659,431,173.15
  5. Step 5: Solve for x
    x = 3,659,431,173.15/92,836.28
  6. Step 6: Final answer
    x = 39,418.12

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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.