Home / 87,792.31-131,718.02-27,830.58

Finding the Fourth Proportional to 87,792.31, 131,718.02 and 27,830.58

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Solution

The fourth proportional to 87,792.31, 131,718.02 and 27,830.58 is: 41,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,792.31 : 131,718.02 = 27,830.58 : x
  2. Step 2: Convert to fraction form
    87,792.31/131,718.02 = 27,830.58/x
  3. Step 3: Cross multiply
    87,792.31x = 131,718.02 × 27,830.58
  4. Step 4: Simplify right side
    87,792.31x = 3,665,788,893.05
  5. Step 5: Solve for x
    x = 3,665,788,893.05/87,792.31
  6. Step 6: Final answer
    x = 41,755.24

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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.