Home / 54,353.88-75,011.60-30,481.90

Finding the Fourth Proportional to 54,353.88, 75,011.60 and 30,481.90

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Solution

The fourth proportional to 54,353.88, 75,011.60 and 30,481.90 is: 42,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.88 : 75,011.60 = 30,481.90 : x
  2. Step 2: Convert to fraction form
    54,353.88/75,011.60 = 30,481.90/x
  3. Step 3: Cross multiply
    54,353.88x = 75,011.60 × 30,481.90
  4. Step 4: Simplify right side
    54,353.88x = 2,286,496,090.04
  5. Step 5: Solve for x
    x = 2,286,496,090.04/54,353.88
  6. Step 6: Final answer
    x = 42,066.84

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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.