Home / 89,215.47-133,835.94-29,231.12

Finding the Fourth Proportional to 89,215.47, 133,835.94 and 29,231.12

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Solution

The fourth proportional to 89,215.47, 133,835.94 and 29,231.12 is: 43,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,215.47 : 133,835.94 = 29,231.12 : x
  2. Step 2: Convert to fraction form
    89,215.47/133,835.94 = 29,231.12/x
  3. Step 3: Cross multiply
    89,215.47x = 133,835.94 × 29,231.12
  4. Step 4: Simplify right side
    89,215.47x = 3,912,174,757.04
  5. Step 5: Solve for x
    x = 3,912,174,757.04/89,215.47
  6. Step 6: Final answer
    x = 43,850.86

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1.5x scale

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.