Home / 98,046.88-135,318.72-55,030.96

Finding the Fourth Proportional to 98,046.88, 135,318.72 and 55,030.96

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Solution

The fourth proportional to 98,046.88, 135,318.72 and 55,030.96 is: 75,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,046.88 : 135,318.72 = 55,030.96 : x
  2. Step 2: Convert to fraction form
    98,046.88/135,318.72 = 55,030.96/x
  3. Step 3: Cross multiply
    98,046.88x = 135,318.72 × 55,030.96
  4. Step 4: Simplify right side
    98,046.88x = 7,446,719,067.57
  5. Step 5: Solve for x
    x = 7,446,719,067.57/98,046.88
  6. Step 6: Final answer
    x = 75,950.60

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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.