Home / 98,274.20-135,618.44-55,832.80

Finding the Fourth Proportional to 98,274.20, 135,618.44 and 55,832.80

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Solution

The fourth proportional to 98,274.20, 135,618.44 and 55,832.80 is: 77,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,274.20 : 135,618.44 = 55,832.80 : x
  2. Step 2: Convert to fraction form
    98,274.20/135,618.44 = 55,832.80/x
  3. Step 3: Cross multiply
    98,274.20x = 135,618.44 × 55,832.80
  4. Step 4: Simplify right side
    98,274.20x = 7,571,957,236.83
  5. Step 5: Solve for x
    x = 7,571,957,236.83/98,274.20
  6. Step 6: Final answer
    x = 77,049.29

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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.