Home / 98,054.31-135,309.27-55,029.79

Finding the Fourth Proportional to 98,054.31, 135,309.27 and 55,029.79

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Solution

The fourth proportional to 98,054.31, 135,309.27 and 55,029.79 is: 75,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,054.31 : 135,309.27 = 55,029.79 : x
  2. Step 2: Convert to fraction form
    98,054.31/135,309.27 = 55,029.79/x
  3. Step 3: Cross multiply
    98,054.31x = 135,309.27 × 55,029.79
  4. Step 4: Simplify right side
    98,054.31x = 7,446,040,713.15
  5. Step 5: Solve for x
    x = 7,446,040,713.15/98,054.31
  6. Step 6: Final answer
    x = 75,937.92

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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.