Home / 75,279.07-103,884.81-41,286.66

Finding the Fourth Proportional to 75,279.07, 103,884.81 and 41,286.66

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Solution

The fourth proportional to 75,279.07, 103,884.81 and 41,286.66 is: 56,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.07 : 103,884.81 = 41,286.66 : x
  2. Step 2: Convert to fraction form
    75,279.07/103,884.81 = 41,286.66/x
  3. Step 3: Cross multiply
    75,279.07x = 103,884.81 × 41,286.66
  4. Step 4: Simplify right side
    75,279.07x = 4,289,056,285.24
  5. Step 5: Solve for x
    x = 4,289,056,285.24/75,279.07
  6. Step 6: Final answer
    x = 56,975.41

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1.5x scale

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.