Home / 49,078.40-73,423.20-44,412.80

Finding the Fourth Proportional to 49,078.40, 73,423.20 and 44,412.80

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Solution

The fourth proportional to 49,078.40, 73,423.20 and 44,412.80 is: 66,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,078.40 : 73,423.20 = 44,412.80 : x
  2. Step 2: Convert to fraction form
    49,078.40/73,423.20 = 44,412.80/x
  3. Step 3: Cross multiply
    49,078.40x = 73,423.20 × 44,412.80
  4. Step 4: Simplify right side
    49,078.40x = 3,260,929,896.96
  5. Step 5: Solve for x
    x = 3,260,929,896.96/49,078.40
  6. Step 6: Final answer
    x = 66,443.28

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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.