Home / 53,105.57-73,285.11-29,231.73

Finding the Fourth Proportional to 53,105.57, 73,285.11 and 29,231.73

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Solution

The fourth proportional to 53,105.57, 73,285.11 and 29,231.73 is: 40,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,105.57 : 73,285.11 = 29,231.73 : x
  2. Step 2: Convert to fraction form
    53,105.57/73,285.11 = 29,231.73/x
  3. Step 3: Cross multiply
    53,105.57x = 73,285.11 × 29,231.73
  4. Step 4: Simplify right side
    53,105.57x = 2,142,250,548.54
  5. Step 5: Solve for x
    x = 2,142,250,548.54/53,105.57
  6. Step 6: Final answer
    x = 40,339.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.