Home / 98,006.46-135,241.29-55,571.82

Finding the Fourth Proportional to 98,006.46, 135,241.29 and 55,571.82

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Solution

The fourth proportional to 98,006.46, 135,241.29 and 55,571.82 is: 76,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,006.46 : 135,241.29 = 55,571.82 : x
  2. Step 2: Convert to fraction form
    98,006.46/135,241.29 = 55,571.82/x
  3. Step 3: Cross multiply
    98,006.46x = 135,241.29 × 55,571.82
  4. Step 4: Simplify right side
    98,006.46x = 7,515,604,624.45
  5. Step 5: Solve for x
    x = 7,515,604,624.45/98,006.46
  6. Step 6: Final answer
    x = 76,684.79

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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.