Home / 73,077.48-109,299.58-43,020.09

Finding the Fourth Proportional to 73,077.48, 109,299.58 and 43,020.09

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Solution

The fourth proportional to 73,077.48, 109,299.58 and 43,020.09 is: 64,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,077.48 : 109,299.58 = 43,020.09 : x
  2. Step 2: Convert to fraction form
    73,077.48/109,299.58 = 43,020.09/x
  3. Step 3: Cross multiply
    73,077.48x = 109,299.58 × 43,020.09
  4. Step 4: Simplify right side
    73,077.48x = 4,702,077,661.01
  5. Step 5: Solve for x
    x = 4,702,077,661.01/73,077.48
  6. Step 6: Final answer
    x = 64,343.73

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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.