Home / 81,178.24-111,953.46-50,966.41

Finding the Fourth Proportional to 81,178.24, 111,953.46 and 50,966.41

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Solution

The fourth proportional to 81,178.24, 111,953.46 and 50,966.41 is: 70,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,178.24 : 111,953.46 = 50,966.41 : x
  2. Step 2: Convert to fraction form
    81,178.24/111,953.46 = 50,966.41/x
  3. Step 3: Cross multiply
    81,178.24x = 111,953.46 × 50,966.41
  4. Step 4: Simplify right side
    81,178.24x = 5,705,865,943.28
  5. Step 5: Solve for x
    x = 5,705,865,943.28/81,178.24
  6. Step 6: Final answer
    x = 70,288.12

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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.