Home / 80,239.38-110,731.50-44,429.31

Finding the Fourth Proportional to 80,239.38, 110,731.50 and 44,429.31

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Solution

The fourth proportional to 80,239.38, 110,731.50 and 44,429.31 is: 61,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,239.38 : 110,731.50 = 44,429.31 : x
  2. Step 2: Convert to fraction form
    80,239.38/110,731.50 = 44,429.31/x
  3. Step 3: Cross multiply
    80,239.38x = 110,731.50 × 44,429.31
  4. Step 4: Simplify right side
    80,239.38x = 4,919,724,140.27
  5. Step 5: Solve for x
    x = 4,919,724,140.27/80,239.38
  6. Step 6: Final answer
    x = 61,313.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.