Home / 53,545.50-80,329.14-18,480.60

Finding the Fourth Proportional to 53,545.50, 80,329.14 and 18,480.60

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Solution

The fourth proportional to 53,545.50, 80,329.14 and 18,480.60 is: 27,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,545.50 : 80,329.14 = 18,480.60 : x
  2. Step 2: Convert to fraction form
    53,545.50/80,329.14 = 18,480.60/x
  3. Step 3: Cross multiply
    53,545.50x = 80,329.14 × 18,480.60
  4. Step 4: Simplify right side
    53,545.50x = 1,484,530,704.68
  5. Step 5: Solve for x
    x = 1,484,530,704.68/53,545.50
  6. Step 6: Final answer
    x = 27,724.66

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1.5x scale

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.