Home / 49,558.40-74,121.60-44,331.20

Finding the Fourth Proportional to 49,558.40, 74,121.60 and 44,331.20

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Solution

The fourth proportional to 49,558.40, 74,121.60 and 44,331.20 is: 66,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,558.40 : 74,121.60 = 44,331.20 : x
  2. Step 2: Convert to fraction form
    49,558.40/74,121.60 = 44,331.20/x
  3. Step 3: Cross multiply
    49,558.40x = 74,121.60 × 44,331.20
  4. Step 4: Simplify right side
    49,558.40x = 3,285,899,473.92
  5. Step 5: Solve for x
    x = 3,285,899,473.92/49,558.40
  6. Step 6: Final answer
    x = 66,303.58

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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.