Home / 53,131.23-73,321.08-29,257.85

Finding the Fourth Proportional to 53,131.23, 73,321.08 and 29,257.85

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Solution

The fourth proportional to 53,131.23, 73,321.08 and 29,257.85 is: 40,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.23 : 73,321.08 = 29,257.85 : x
  2. Step 2: Convert to fraction form
    53,131.23/73,321.08 = 29,257.85/x
  3. Step 3: Cross multiply
    53,131.23x = 73,321.08 × 29,257.85
  4. Step 4: Simplify right side
    53,131.23x = 2,145,216,793.87
  5. Step 5: Solve for x
    x = 2,145,216,793.87/53,131.23
  6. Step 6: Final answer
    x = 40,375.82

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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.