Home / 55,216.26-82,840.56-17,775.51

Finding the Fourth Proportional to 55,216.26, 82,840.56 and 17,775.51

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Solution

The fourth proportional to 55,216.26, 82,840.56 and 17,775.51 is: 26,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.26 : 82,840.56 = 17,775.51 : x
  2. Step 2: Convert to fraction form
    55,216.26/82,840.56 = 17,775.51/x
  3. Step 3: Cross multiply
    55,216.26x = 82,840.56 × 17,775.51
  4. Step 4: Simplify right side
    55,216.26x = 1,472,533,202.69
  5. Step 5: Solve for x
    x = 1,472,533,202.69/55,216.26
  6. Step 6: Final answer
    x = 26,668.47

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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.