Home / 75,330.82-103,930.78-43,042.27

Finding the Fourth Proportional to 75,330.82, 103,930.78 and 43,042.27

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Solution

The fourth proportional to 75,330.82, 103,930.78 and 43,042.27 is: 59,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,330.82 : 103,930.78 = 43,042.27 : x
  2. Step 2: Convert to fraction form
    75,330.82/103,930.78 = 43,042.27/x
  3. Step 3: Cross multiply
    75,330.82x = 103,930.78 × 43,042.27
  4. Step 4: Simplify right side
    75,330.82x = 4,473,416,326.64
  5. Step 5: Solve for x
    x = 4,473,416,326.64/75,330.82
  6. Step 6: Final answer
    x = 59,383.62

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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.