Home / 84,429.48-126,687.82-37,077.80

Finding the Fourth Proportional to 84,429.48, 126,687.82 and 37,077.80

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Solution

The fourth proportional to 84,429.48, 126,687.82 and 37,077.80 is: 55,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,429.48 : 126,687.82 = 37,077.80 : x
  2. Step 2: Convert to fraction form
    84,429.48/126,687.82 = 37,077.80/x
  3. Step 3: Cross multiply
    84,429.48x = 126,687.82 × 37,077.80
  4. Step 4: Simplify right side
    84,429.48x = 4,697,305,652.40
  5. Step 5: Solve for x
    x = 4,697,305,652.40/84,429.48
  6. Step 6: Final answer
    x = 55,635.85

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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.