Home / 84,701.14-126,949.15-47,221.41

Finding the Fourth Proportional to 84,701.14, 126,949.15 and 47,221.41

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Solution

The fourth proportional to 84,701.14, 126,949.15 and 47,221.41 is: 70,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,701.14 : 126,949.15 = 47,221.41 : x
  2. Step 2: Convert to fraction form
    84,701.14/126,949.15 = 47,221.41/x
  3. Step 3: Cross multiply
    84,701.14x = 126,949.15 × 47,221.41
  4. Step 4: Simplify right side
    84,701.14x = 5,994,717,861.30
  5. Step 5: Solve for x
    x = 5,994,717,861.30/84,701.14
  6. Step 6: Final answer
    x = 70,774.94

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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.