Home / 54,604.48-75,353.30-30,731.14

Finding the Fourth Proportional to 54,604.48, 75,353.30 and 30,731.14

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Solution

The fourth proportional to 54,604.48, 75,353.30 and 30,731.14 is: 42,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,604.48 : 75,353.30 = 30,731.14 : x
  2. Step 2: Convert to fraction form
    54,604.48/75,353.30 = 30,731.14/x
  3. Step 3: Cross multiply
    54,604.48x = 75,353.30 × 30,731.14
  4. Step 4: Simplify right side
    54,604.48x = 2,315,692,811.76
  5. Step 5: Solve for x
    x = 2,315,692,811.76/54,604.48
  6. Step 6: Final answer
    x = 42,408.48

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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.