Home / 86,741.28-119,704.32-50,932.08

Finding the Fourth Proportional to 86,741.28, 119,704.32 and 50,932.08

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Solution

The fourth proportional to 86,741.28, 119,704.32 and 50,932.08 is: 70,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,741.28 : 119,704.32 = 50,932.08 : x
  2. Step 2: Convert to fraction form
    86,741.28/119,704.32 = 50,932.08/x
  3. Step 3: Cross multiply
    86,741.28x = 119,704.32 × 50,932.08
  4. Step 4: Simplify right side
    86,741.28x = 6,096,790,002.59
  5. Step 5: Solve for x
    x = 6,096,790,002.59/86,741.28
  6. Step 6: Final answer
    x = 70,287.07

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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.