Home / 89,107.33-133,328.79-88,110.83

Finding the Fourth Proportional to 89,107.33, 133,328.79 and 88,110.83

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Solution

The fourth proportional to 89,107.33, 133,328.79 and 88,110.83 is: 131,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,107.33 : 133,328.79 = 88,110.83 : x
  2. Step 2: Convert to fraction form
    89,107.33/133,328.79 = 88,110.83/x
  3. Step 3: Cross multiply
    89,107.33x = 133,328.79 × 88,110.83
  4. Step 4: Simplify right side
    89,107.33x = 11,747,710,349.80
  5. Step 5: Solve for x
    x = 11,747,710,349.80/89,107.33
  6. Step 6: Final answer
    x = 131,837.76

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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.