Home / 87,974.73-132,172.38-56,446.70

Finding the Fourth Proportional to 87,974.73, 132,172.38 and 56,446.70

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Solution

The fourth proportional to 87,974.73, 132,172.38 and 56,446.70 is: 84,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,974.73 : 132,172.38 = 56,446.70 : x
  2. Step 2: Convert to fraction form
    87,974.73/132,172.38 = 56,446.70/x
  3. Step 3: Cross multiply
    87,974.73x = 132,172.38 × 56,446.70
  4. Step 4: Simplify right side
    87,974.73x = 7,460,694,021.28
  5. Step 5: Solve for x
    x = 7,460,694,021.28/87,974.73
  6. Step 6: Final answer
    x = 84,804.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.