Home / 75,279.92-103,880.64-41,282.96

Finding the Fourth Proportional to 75,279.92, 103,880.64 and 41,282.96

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Solution

The fourth proportional to 75,279.92, 103,880.64 and 41,282.96 is: 56,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.92 : 103,880.64 = 41,282.96 : x
  2. Step 2: Convert to fraction form
    75,279.92/103,880.64 = 41,282.96/x
  3. Step 3: Cross multiply
    75,279.92x = 103,880.64 × 41,282.96
  4. Step 4: Simplify right side
    75,279.92x = 4,288,500,305.89
  5. Step 5: Solve for x
    x = 4,288,500,305.89/75,279.92
  6. Step 6: Final answer
    x = 56,967.39

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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.