Home / 84,156.48-126,241.44-49,099.68

Finding the Fourth Proportional to 84,156.48, 126,241.44 and 49,099.68

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Solution

The fourth proportional to 84,156.48, 126,241.44 and 49,099.68 is: 73,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,156.48 : 126,241.44 = 49,099.68 : x
  2. Step 2: Convert to fraction form
    84,156.48/126,241.44 = 49,099.68/x
  3. Step 3: Cross multiply
    84,156.48x = 126,241.44 × 49,099.68
  4. Step 4: Simplify right side
    84,156.48x = 6,198,414,306.74
  5. Step 5: Solve for x
    x = 6,198,414,306.74/84,156.48
  6. Step 6: Final answer
    x = 73,653.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.