Home / 59,811.20-89,619.60-49,896.80

Finding the Fourth Proportional to 59,811.20, 89,619.60 and 49,896.80

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Solution

The fourth proportional to 59,811.20, 89,619.60 and 49,896.80 is: 74,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,811.20 : 89,619.60 = 49,896.80 : x
  2. Step 2: Convert to fraction form
    59,811.20/89,619.60 = 49,896.80/x
  3. Step 3: Cross multiply
    59,811.20x = 89,619.60 × 49,896.80
  4. Step 4: Simplify right side
    59,811.20x = 4,471,731,257.28
  5. Step 5: Solve for x
    x = 4,471,731,257.28/59,811.20
  6. Step 6: Final answer
    x = 74,764.11

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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.