Home / 75,214.12-103,790.82-41,680.20

Finding the Fourth Proportional to 75,214.12, 103,790.82 and 41,680.20

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Solution

The fourth proportional to 75,214.12, 103,790.82 and 41,680.20 is: 57,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,214.12 : 103,790.82 = 41,680.20 : x
  2. Step 2: Convert to fraction form
    75,214.12/103,790.82 = 41,680.20/x
  3. Step 3: Cross multiply
    75,214.12x = 103,790.82 × 41,680.20
  4. Step 4: Simplify right side
    75,214.12x = 4,326,022,135.76
  5. Step 5: Solve for x
    x = 4,326,022,135.76/75,214.12
  6. Step 6: Final answer
    x = 57,516.09

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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.