Home / 82,539.28-113,904.66-48,549.21

Finding the Fourth Proportional to 82,539.28, 113,904.66 and 48,549.21

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Solution

The fourth proportional to 82,539.28, 113,904.66 and 48,549.21 is: 66,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,539.28 : 113,904.66 = 48,549.21 : x
  2. Step 2: Convert to fraction form
    82,539.28/113,904.66 = 48,549.21/x
  3. Step 3: Cross multiply
    82,539.28x = 113,904.66 × 48,549.21
  4. Step 4: Simplify right side
    82,539.28x = 5,529,981,258.32
  5. Step 5: Solve for x
    x = 5,529,981,258.32/82,539.28
  6. Step 6: Final answer
    x = 66,998.18

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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.