Home / 75,143.73-103,673.17-43,311.94

Finding the Fourth Proportional to 75,143.73, 103,673.17 and 43,311.94

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Solution

The fourth proportional to 75,143.73, 103,673.17 and 43,311.94 is: 59,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,143.73 : 103,673.17 = 43,311.94 : x
  2. Step 2: Convert to fraction form
    75,143.73/103,673.17 = 43,311.94/x
  3. Step 3: Cross multiply
    75,143.73x = 103,673.17 × 43,311.94
  4. Step 4: Simplify right side
    75,143.73x = 4,490,285,902.09
  5. Step 5: Solve for x
    x = 4,490,285,902.09/75,143.73
  6. Step 6: Final answer
    x = 59,755.97

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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.