Home / 116,731.53-161,019.70-73,634.87

Finding the Fourth Proportional to 116,731.53, 161,019.70 and 73,634.87

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Solution

The fourth proportional to 116,731.53, 161,019.70 and 73,634.87 is: 101,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,731.53 : 161,019.70 = 73,634.87 : x
  2. Step 2: Convert to fraction form
    116,731.53/161,019.70 = 73,634.87/x
  3. Step 3: Cross multiply
    116,731.53x = 161,019.70 × 73,634.87
  4. Step 4: Simplify right side
    116,731.53x = 11,856,664,895.40
  5. Step 5: Solve for x
    x = 11,856,664,895.40/116,731.53
  6. Step 6: Final answer
    x = 101,572.09

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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.