Home / 75,143.25-103,700.97-41,609.25

Finding the Fourth Proportional to 75,143.25, 103,700.97 and 41,609.25

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Solution

The fourth proportional to 75,143.25, 103,700.97 and 41,609.25 is: 57,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,143.25 : 103,700.97 = 41,609.25 : x
  2. Step 2: Convert to fraction form
    75,143.25/103,700.97 = 41,609.25/x
  3. Step 3: Cross multiply
    75,143.25x = 103,700.97 × 41,609.25
  4. Step 4: Simplify right side
    75,143.25x = 4,314,919,585.97
  5. Step 5: Solve for x
    x = 4,314,919,585.97/75,143.25
  6. Step 6: Final answer
    x = 57,422.58

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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.