Home / 82,986.40-114,517.36-50,774.64

Finding the Fourth Proportional to 82,986.40, 114,517.36 and 50,774.64

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Solution

The fourth proportional to 82,986.40, 114,517.36 and 50,774.64 is: 70,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986.40 : 114,517.36 = 50,774.64 : x
  2. Step 2: Convert to fraction form
    82,986.40/114,517.36 = 50,774.64/x
  3. Step 3: Cross multiply
    82,986.40x = 114,517.36 × 50,774.64
  4. Step 4: Simplify right side
    82,986.40x = 5,814,577,727.75
  5. Step 5: Solve for x
    x = 5,814,577,727.75/82,986.40
  6. Step 6: Final answer
    x = 70,066.63

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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.