Home / 98,268.30-135,609.55-55,826.82

Finding the Fourth Proportional to 98,268.30, 135,609.55 and 55,826.82

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Solution

The fourth proportional to 98,268.30, 135,609.55 and 55,826.82 is: 77,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,268.30 : 135,609.55 = 55,826.82 : x
  2. Step 2: Convert to fraction form
    98,268.30/135,609.55 = 55,826.82/x
  3. Step 3: Cross multiply
    98,268.30x = 135,609.55 × 55,826.82
  4. Step 4: Simplify right side
    98,268.30x = 7,570,649,798.56
  5. Step 5: Solve for x
    x = 7,570,649,798.56/98,268.30
  6. Step 6: Final answer
    x = 77,040.61

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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.