Home / 55,676.73-83,516.31-20,616.69

Finding the Fourth Proportional to 55,676.73, 83,516.31 and 20,616.69

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Solution

The fourth proportional to 55,676.73, 83,516.31 and 20,616.69 is: 30,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676.73 : 83,516.31 = 20,616.69 : x
  2. Step 2: Convert to fraction form
    55,676.73/83,516.31 = 20,616.69/x
  3. Step 3: Cross multiply
    55,676.73x = 83,516.31 × 20,616.69
  4. Step 4: Simplify right side
    55,676.73x = 1,721,829,873.21
  5. Step 5: Solve for x
    x = 1,721,829,873.21/55,676.73
  6. Step 6: Final answer
    x = 30,925.48

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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.