Home / 82,709.46-114,135.60-48,719.34

Finding the Fourth Proportional to 82,709.46, 114,135.60 and 48,719.34

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Solution

The fourth proportional to 82,709.46, 114,135.60 and 48,719.34 is: 67,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,709.46 : 114,135.60 = 48,719.34 : x
  2. Step 2: Convert to fraction form
    82,709.46/114,135.60 = 48,719.34/x
  3. Step 3: Cross multiply
    82,709.46x = 114,135.60 × 48,719.34
  4. Step 4: Simplify right side
    82,709.46x = 5,560,611,102.50
  5. Step 5: Solve for x
    x = 5,560,611,102.50/82,709.46
  6. Step 6: Final answer
    x = 67,230.65

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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.