Home / 82,885.21-114,383.41-48,901.96

Finding the Fourth Proportional to 82,885.21, 114,383.41 and 48,901.96

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Solution

The fourth proportional to 82,885.21, 114,383.41 and 48,901.96 is: 67,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,885.21 : 114,383.41 = 48,901.96 : x
  2. Step 2: Convert to fraction form
    82,885.21/114,383.41 = 48,901.96/x
  3. Step 3: Cross multiply
    82,885.21x = 114,383.41 × 48,901.96
  4. Step 4: Simplify right side
    82,885.21x = 5,593,572,961.21
  5. Step 5: Solve for x
    x = 5,593,572,961.21/82,885.21
  6. Step 6: Final answer
    x = 67,485.78

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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.