Home / 74,372.56-102,563.79-48,833.88

Finding the Fourth Proportional to 74,372.56, 102,563.79 and 48,833.88

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Solution

The fourth proportional to 74,372.56, 102,563.79 and 48,833.88 is: 67,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372.56 : 102,563.79 = 48,833.88 : x
  2. Step 2: Convert to fraction form
    74,372.56/102,563.79 = 48,833.88/x
  3. Step 3: Cross multiply
    74,372.56x = 102,563.79 × 48,833.88
  4. Step 4: Simplify right side
    74,372.56x = 5,008,587,813.21
  5. Step 5: Solve for x
    x = 5,008,587,813.21/74,372.56
  6. Step 6: Final answer
    x = 67,344.57

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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.