Home / 95,126.10-131,149.53-81,840.06

Finding the Fourth Proportional to 95,126.10, 131,149.53 and 81,840.06

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Solution

The fourth proportional to 95,126.10, 131,149.53 and 81,840.06 is: 112,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,126.10 : 131,149.53 = 81,840.06 : x
  2. Step 2: Convert to fraction form
    95,126.10/131,149.53 = 81,840.06/x
  3. Step 3: Cross multiply
    95,126.10x = 131,149.53 × 81,840.06
  4. Step 4: Simplify right side
    95,126.10x = 10,733,285,404.17
  5. Step 5: Solve for x
    x = 10,733,285,404.17/95,126.10
  6. Step 6: Final answer
    x = 112,832.18

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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.