Home / 97,336.31-134,202.41-81,226.83

Finding the Fourth Proportional to 97,336.31, 134,202.41 and 81,226.83

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Solution

The fourth proportional to 97,336.31, 134,202.41 and 81,226.83 is: 111,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,336.31 : 134,202.41 = 81,226.83 : x
  2. Step 2: Convert to fraction form
    97,336.31/134,202.41 = 81,226.83/x
  3. Step 3: Cross multiply
    97,336.31x = 134,202.41 × 81,226.83
  4. Step 4: Simplify right side
    97,336.31x = 10,900,835,936.53
  5. Step 5: Solve for x
    x = 10,900,835,936.53/97,336.31
  6. Step 6: Final answer
    x = 111,991.46

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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.