Home / 82,537.20-113,896.80-48,549.60

Finding the Fourth Proportional to 82,537.20, 113,896.80 and 48,549.60

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Solution

The fourth proportional to 82,537.20, 113,896.80 and 48,549.60 is: 66,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,537.20 : 113,896.80 = 48,549.60 : x
  2. Step 2: Convert to fraction form
    82,537.20/113,896.80 = 48,549.60/x
  3. Step 3: Cross multiply
    82,537.20x = 113,896.80 × 48,549.60
  4. Step 4: Simplify right side
    82,537.20x = 5,529,644,081.28
  5. Step 5: Solve for x
    x = 5,529,644,081.28/82,537.20
  6. Step 6: Final answer
    x = 66,995.78

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1.5x scale

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.