Home / 54,236.24-74,842.32-30,362.72

Finding the Fourth Proportional to 54,236.24, 74,842.32 and 30,362.72

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Solution

The fourth proportional to 54,236.24, 74,842.32 and 30,362.72 is: 41,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,236.24 : 74,842.32 = 30,362.72 : x
  2. Step 2: Convert to fraction form
    54,236.24/74,842.32 = 30,362.72/x
  3. Step 3: Cross multiply
    54,236.24x = 74,842.32 × 30,362.72
  4. Step 4: Simplify right side
    54,236.24x = 2,272,416,406.31
  5. Step 5: Solve for x
    x = 2,272,416,406.31/54,236.24
  6. Step 6: Final answer
    x = 41,898.49

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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.