Home / 54,234.18-74,842.43-30,360.84

Finding the Fourth Proportional to 54,234.18, 74,842.43 and 30,360.84

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Solution

The fourth proportional to 54,234.18, 74,842.43 and 30,360.84 is: 41,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.18 : 74,842.43 = 30,360.84 : x
  2. Step 2: Convert to fraction form
    54,234.18/74,842.43 = 30,360.84/x
  3. Step 3: Cross multiply
    54,234.18x = 74,842.43 × 30,360.84
  4. Step 4: Simplify right side
    54,234.18x = 2,272,278,890.64
  5. Step 5: Solve for x
    x = 2,272,278,890.64/54,234.18
  6. Step 6: Final answer
    x = 41,897.54

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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.