Home / 95,424.66-131,721.39-81,941.81

Finding the Fourth Proportional to 95,424.66, 131,721.39 and 81,941.81

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Solution

The fourth proportional to 95,424.66, 131,721.39 and 81,941.81 is: 113,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,424.66 : 131,721.39 = 81,941.81 : x
  2. Step 2: Convert to fraction form
    95,424.66/131,721.39 = 81,941.81/x
  3. Step 3: Cross multiply
    95,424.66x = 131,721.39 × 81,941.81
  4. Step 4: Simplify right side
    95,424.66x = 10,793,488,453.71
  5. Step 5: Solve for x
    x = 10,793,488,453.71/95,424.66
  6. Step 6: Final answer
    x = 113,110.05

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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.