Home / 53,374.08-80,065.20-18,313.44

Finding the Fourth Proportional to 53,374.08, 80,065.20 and 18,313.44

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Solution

The fourth proportional to 53,374.08, 80,065.20 and 18,313.44 is: 27,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,374.08 : 80,065.20 = 18,313.44 : x
  2. Step 2: Convert to fraction form
    53,374.08/80,065.20 = 18,313.44/x
  3. Step 3: Cross multiply
    53,374.08x = 80,065.20 × 18,313.44
  4. Step 4: Simplify right side
    53,374.08x = 1,466,269,236.29
  5. Step 5: Solve for x
    x = 1,466,269,236.29/53,374.08
  6. Step 6: Final answer
    x = 27,471.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.