Home / 55,049.37-75,965.58-31,176.21

Finding the Fourth Proportional to 55,049.37, 75,965.58 and 31,176.21

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Solution

The fourth proportional to 55,049.37, 75,965.58 and 31,176.21 is: 43,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049.37 : 75,965.58 = 31,176.21 : x
  2. Step 2: Convert to fraction form
    55,049.37/75,965.58 = 31,176.21/x
  3. Step 3: Cross multiply
    55,049.37x = 75,965.58 × 31,176.21
  4. Step 4: Simplify right side
    55,049.37x = 2,368,318,874.85
  5. Step 5: Solve for x
    x = 2,368,318,874.85/55,049.37
  6. Step 6: Final answer
    x = 43,021.73

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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.