Home / 55,159.29-82,739.79-15,717.33

Finding the Fourth Proportional to 55,159.29, 82,739.79 and 15,717.33

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Solution

The fourth proportional to 55,159.29, 82,739.79 and 15,717.33 is: 23,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159.29 : 82,739.79 = 15,717.33 : x
  2. Step 2: Convert to fraction form
    55,159.29/82,739.79 = 15,717.33/x
  3. Step 3: Cross multiply
    55,159.29x = 82,739.79 × 15,717.33
  4. Step 4: Simplify right side
    55,159.29x = 1,300,448,583.56
  5. Step 5: Solve for x
    x = 1,300,448,583.56/55,159.29
  6. Step 6: Final answer
    x = 23,576.24

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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.