Home / 87,068.66-130,622.22-27,910.31

Finding the Fourth Proportional to 87,068.66, 130,622.22 and 27,910.31

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Solution

The fourth proportional to 87,068.66, 130,622.22 and 27,910.31 is: 41,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,068.66 : 130,622.22 = 27,910.31 : x
  2. Step 2: Convert to fraction form
    87,068.66/130,622.22 = 27,910.31/x
  3. Step 3: Cross multiply
    87,068.66x = 130,622.22 × 27,910.31
  4. Step 4: Simplify right side
    87,068.66x = 3,645,705,999.98
  5. Step 5: Solve for x
    x = 3,645,705,999.98/87,068.66
  6. Step 6: Final answer
    x = 41,871.62

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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.