Home / 98,203.11-135,524.21-55,765.59

Finding the Fourth Proportional to 98,203.11, 135,524.21 and 55,765.59

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Solution

The fourth proportional to 98,203.11, 135,524.21 and 55,765.59 is: 76,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,203.11 : 135,524.21 = 55,765.59 : x
  2. Step 2: Convert to fraction form
    98,203.11/135,524.21 = 55,765.59/x
  3. Step 3: Cross multiply
    98,203.11x = 135,524.21 × 55,765.59
  4. Step 4: Simplify right side
    98,203.11x = 7,557,587,251.11
  5. Step 5: Solve for x
    x = 7,557,587,251.11/98,203.11
  6. Step 6: Final answer
    x = 76,958.74

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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.