Home / 54,369.11-75,029.49-31,723.67

Finding the Fourth Proportional to 54,369.11, 75,029.49 and 31,723.67

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Solution

The fourth proportional to 54,369.11, 75,029.49 and 31,723.67 is: 43,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369.11 : 75,029.49 = 31,723.67 : x
  2. Step 2: Convert to fraction form
    54,369.11/75,029.49 = 31,723.67/x
  3. Step 3: Cross multiply
    54,369.11x = 75,029.49 × 31,723.67
  4. Step 4: Simplify right side
    54,369.11x = 2,380,210,405.88
  5. Step 5: Solve for x
    x = 2,380,210,405.88/54,369.11
  6. Step 6: Final answer
    x = 43,778.73

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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.