Home / 77,318.22-115,780.41-50,943.02

Finding the Fourth Proportional to 77,318.22, 115,780.41 and 50,943.02

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Solution

The fourth proportional to 77,318.22, 115,780.41 and 50,943.02 is: 76,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,318.22 : 115,780.41 = 50,943.02 : x
  2. Step 2: Convert to fraction form
    77,318.22/115,780.41 = 50,943.02/x
  3. Step 3: Cross multiply
    77,318.22x = 115,780.41 × 50,943.02
  4. Step 4: Simplify right side
    77,318.22x = 5,898,203,742.24
  5. Step 5: Solve for x
    x = 5,898,203,742.24/77,318.22
  6. Step 6: Final answer
    x = 76,284.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.