Home / 53,760.14-80,640.12-22,187.96

Finding the Fourth Proportional to 53,760.14, 80,640.12 and 22,187.96

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Solution

The fourth proportional to 53,760.14, 80,640.12 and 22,187.96 is: 33,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760.14 : 80,640.12 = 22,187.96 : x
  2. Step 2: Convert to fraction form
    53,760.14/80,640.12 = 22,187.96/x
  3. Step 3: Cross multiply
    53,760.14x = 80,640.12 × 22,187.96
  4. Step 4: Simplify right side
    53,760.14x = 1,789,239,756.96
  5. Step 5: Solve for x
    x = 1,789,239,756.96/53,760.14
  6. Step 6: Final answer
    x = 33,281.90

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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.