Home / 98,820.54-148,245.26-28,690.74

Finding the Fourth Proportional to 98,820.54, 148,245.26 and 28,690.74

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Solution

The fourth proportional to 98,820.54, 148,245.26 and 28,690.74 is: 43,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,820.54 : 148,245.26 = 28,690.74 : x
  2. Step 2: Convert to fraction form
    98,820.54/148,245.26 = 28,690.74/x
  3. Step 3: Cross multiply
    98,820.54x = 148,245.26 × 28,690.74
  4. Step 4: Simplify right side
    98,820.54x = 4,253,266,067.44
  5. Step 5: Solve for x
    x = 4,253,266,067.44/98,820.54
  6. Step 6: Final answer
    x = 43,040.30

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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.