Home / 75,270.33-103,873.20-41,279.05

Finding the Fourth Proportional to 75,270.33, 103,873.20 and 41,279.05

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Solution

The fourth proportional to 75,270.33, 103,873.20 and 41,279.05 is: 56,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,270.33 : 103,873.20 = 41,279.05 : x
  2. Step 2: Convert to fraction form
    75,270.33/103,873.20 = 41,279.05/x
  3. Step 3: Cross multiply
    75,270.33x = 103,873.20 × 41,279.05
  4. Step 4: Simplify right side
    75,270.33x = 4,287,787,172.95
  5. Step 5: Solve for x
    x = 4,287,787,172.95/75,270.33
  6. Step 6: Final answer
    x = 56,965.17

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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.