Home / 95,665.65-132,010.32-55,381.81

Finding the Fourth Proportional to 95,665.65, 132,010.32 and 55,381.81

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Solution

The fourth proportional to 95,665.65, 132,010.32 and 55,381.81 is: 76,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,665.65 : 132,010.32 = 55,381.81 : x
  2. Step 2: Convert to fraction form
    95,665.65/132,010.32 = 55,381.81/x
  3. Step 3: Cross multiply
    95,665.65x = 132,010.32 × 55,381.81
  4. Step 4: Simplify right side
    95,665.65x = 7,310,970,460.28
  5. Step 5: Solve for x
    x = 7,310,970,460.28/95,665.65
  6. Step 6: Final answer
    x = 76,422.11

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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.