Home / 75,174.20-103,743.08-41,640.20

Finding the Fourth Proportional to 75,174.20, 103,743.08 and 41,640.20

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Solution

The fourth proportional to 75,174.20, 103,743.08 and 41,640.20 is: 57,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,174.20 : 103,743.08 = 41,640.20 : x
  2. Step 2: Convert to fraction form
    75,174.20/103,743.08 = 41,640.20/x
  3. Step 3: Cross multiply
    75,174.20x = 103,743.08 × 41,640.20
  4. Step 4: Simplify right side
    75,174.20x = 4,319,882,599.82
  5. Step 5: Solve for x
    x = 4,319,882,599.82/75,174.20
  6. Step 6: Final answer
    x = 57,464.96

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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.