Home / 84,478.96-126,753.66-37,069.56

Finding the Fourth Proportional to 84,478.96, 126,753.66 and 37,069.56

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Solution

The fourth proportional to 84,478.96, 126,753.66 and 37,069.56 is: 55,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,478.96 : 126,753.66 = 37,069.56 : x
  2. Step 2: Convert to fraction form
    84,478.96/126,753.66 = 37,069.56/x
  3. Step 3: Cross multiply
    84,478.96x = 126,753.66 × 37,069.56
  4. Step 4: Simplify right side
    84,478.96x = 4,698,702,404.59
  5. Step 5: Solve for x
    x = 4,698,702,404.59/84,478.96
  6. Step 6: Final answer
    x = 55,619.79

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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.