Home / 53,018.10-73,163.12-29,144.60

Finding the Fourth Proportional to 53,018.10, 73,163.12 and 29,144.60

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Solution

The fourth proportional to 53,018.10, 73,163.12 and 29,144.60 is: 40,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.10 : 73,163.12 = 29,144.60 : x
  2. Step 2: Convert to fraction form
    53,018.10/73,163.12 = 29,144.60/x
  3. Step 3: Cross multiply
    53,018.10x = 73,163.12 × 29,144.60
  4. Step 4: Simplify right side
    53,018.10x = 2,132,309,867.15
  5. Step 5: Solve for x
    x = 2,132,309,867.15/53,018.10
  6. Step 6: Final answer
    x = 40,218.53

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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.