Home / 117,983.43-162,821.04-66,998.37

Finding the Fourth Proportional to 117,983.43, 162,821.04 and 66,998.37

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Solution

The fourth proportional to 117,983.43, 162,821.04 and 66,998.37 is: 92,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,983.43 : 162,821.04 = 66,998.37 : x
  2. Step 2: Convert to fraction form
    117,983.43/162,821.04 = 66,998.37/x
  3. Step 3: Cross multiply
    117,983.43x = 162,821.04 × 66,998.37
  4. Step 4: Simplify right side
    117,983.43x = 10,908,744,281.70
  5. Step 5: Solve for x
    x = 10,908,744,281.70/117,983.43
  6. Step 6: Final answer
    x = 92,459.97

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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.