Home / 54,604.24-75,353.78-30,731.08

Finding the Fourth Proportional to 54,604.24, 75,353.78 and 30,731.08

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Solution

The fourth proportional to 54,604.24, 75,353.78 and 30,731.08 is: 42,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,604.24 : 75,353.78 = 30,731.08 : x
  2. Step 2: Convert to fraction form
    54,604.24/75,353.78 = 30,731.08/x
  3. Step 3: Cross multiply
    54,604.24x = 75,353.78 × 30,731.08
  4. Step 4: Simplify right side
    54,604.24x = 2,315,703,041.48
  5. Step 5: Solve for x
    x = 2,315,703,041.48/54,604.24
  6. Step 6: Final answer
    x = 42,408.85

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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.