Home / 55,701.98-83,502.39-20,617.03

Finding the Fourth Proportional to 55,701.98, 83,502.39 and 20,617.03

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Solution

The fourth proportional to 55,701.98, 83,502.39 and 20,617.03 is: 30,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.98 : 83,502.39 = 20,617.03 : x
  2. Step 2: Convert to fraction form
    55,701.98/83,502.39 = 20,617.03/x
  3. Step 3: Cross multiply
    55,701.98x = 83,502.39 × 20,617.03
  4. Step 4: Simplify right side
    55,701.98x = 1,721,571,461.39
  5. Step 5: Solve for x
    x = 1,721,571,461.39/55,701.98
  6. Step 6: Final answer
    x = 30,906.83

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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.