Home / 55,203.66-76,183.43-31,332.56

Finding the Fourth Proportional to 55,203.66, 76,183.43 and 31,332.56

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Solution

The fourth proportional to 55,203.66, 76,183.43 and 31,332.56 is: 43,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,203.66 : 76,183.43 = 31,332.56 : x
  2. Step 2: Convert to fraction form
    55,203.66/76,183.43 = 31,332.56/x
  3. Step 3: Cross multiply
    55,203.66x = 76,183.43 × 31,332.56
  4. Step 4: Simplify right side
    55,203.66x = 2,387,021,353.90
  5. Step 5: Solve for x
    x = 2,387,021,353.90/55,203.66
  6. Step 6: Final answer
    x = 43,240.27

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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.