Home / 49,820.11-74,399.94-43,783.99

Finding the Fourth Proportional to 49,820.11, 74,399.94 and 43,783.99

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Solution

The fourth proportional to 49,820.11, 74,399.94 and 43,783.99 is: 65,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.11 : 74,399.94 = 43,783.99 : x
  2. Step 2: Convert to fraction form
    49,820.11/74,399.94 = 43,783.99/x
  3. Step 3: Cross multiply
    49,820.11x = 74,399.94 × 43,783.99
  4. Step 4: Simplify right side
    49,820.11x = 3,257,526,584.60
  5. Step 5: Solve for x
    x = 3,257,526,584.60/49,820.11
  6. Step 6: Final answer
    x = 65,385.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.