Home / 54,234.15-74,842.55-30,361.02

Finding the Fourth Proportional to 54,234.15, 74,842.55 and 30,361.02

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Solution

The fourth proportional to 54,234.15, 74,842.55 and 30,361.02 is: 41,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.15 : 74,842.55 = 30,361.02 : x
  2. Step 2: Convert to fraction form
    54,234.15/74,842.55 = 30,361.02/x
  3. Step 3: Cross multiply
    54,234.15x = 74,842.55 × 30,361.02
  4. Step 4: Simplify right side
    54,234.15x = 2,272,296,157.40
  5. Step 5: Solve for x
    x = 2,272,296,157.40/54,234.15
  6. Step 6: Final answer
    x = 41,897.88

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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.