Home / 55,865.66-83,772.14-20,301.97

Finding the Fourth Proportional to 55,865.66, 83,772.14 and 20,301.97

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Solution

The fourth proportional to 55,865.66, 83,772.14 and 20,301.97 is: 30,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,865.66 : 83,772.14 = 20,301.97 : x
  2. Step 2: Convert to fraction form
    55,865.66/83,772.14 = 20,301.97/x
  3. Step 3: Cross multiply
    55,865.66x = 83,772.14 × 20,301.97
  4. Step 4: Simplify right side
    55,865.66x = 1,700,739,054.26
  5. Step 5: Solve for x
    x = 1,700,739,054.26/55,865.66
  6. Step 6: Final answer
    x = 30,443.37

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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.