Home / 55,333.54-83,033.25-20,275.66

Finding the Fourth Proportional to 55,333.54, 83,033.25 and 20,275.66

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Solution

The fourth proportional to 55,333.54, 83,033.25 and 20,275.66 is: 30,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,333.54 : 83,033.25 = 20,275.66 : x
  2. Step 2: Convert to fraction form
    55,333.54/83,033.25 = 20,275.66/x
  3. Step 3: Cross multiply
    55,333.54x = 83,033.25 × 20,275.66
  4. Step 4: Simplify right side
    55,333.54x = 1,683,553,945.70
  5. Step 5: Solve for x
    x = 1,683,553,945.70/55,333.54
  6. Step 6: Final answer
    x = 30,425.56

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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.