Home / 82,538.44-113,905.38-48,549.40

Finding the Fourth Proportional to 82,538.44, 113,905.38 and 48,549.40

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Solution

The fourth proportional to 82,538.44, 113,905.38 and 48,549.40 is: 66,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,538.44 : 113,905.38 = 48,549.40 : x
  2. Step 2: Convert to fraction form
    82,538.44/113,905.38 = 48,549.40/x
  3. Step 3: Cross multiply
    82,538.44x = 113,905.38 × 48,549.40
  4. Step 4: Simplify right side
    82,538.44x = 5,530,037,855.77
  5. Step 5: Solve for x
    x = 5,530,037,855.77/82,538.44
  6. Step 6: Final answer
    x = 66,999.54

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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.