Home / 75,255.72-103,853.04-41,721.72

Finding the Fourth Proportional to 75,255.72, 103,853.04 and 41,721.72

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Solution

The fourth proportional to 75,255.72, 103,853.04 and 41,721.72 is: 57,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,255.72 : 103,853.04 = 41,721.72 : x
  2. Step 2: Convert to fraction form
    75,255.72/103,853.04 = 41,721.72/x
  3. Step 3: Cross multiply
    75,255.72x = 103,853.04 × 41,721.72
  4. Step 4: Simplify right side
    75,255.72x = 4,332,927,456.03
  5. Step 5: Solve for x
    x = 4,332,927,456.03/75,255.72
  6. Step 6: Final answer
    x = 57,576.05

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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.