Home / 89,335.48-133,828.03-51,816.73

Finding the Fourth Proportional to 89,335.48, 133,828.03 and 51,816.73

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Solution

The fourth proportional to 89,335.48, 133,828.03 and 51,816.73 is: 77,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,335.48 : 133,828.03 = 51,816.73 : x
  2. Step 2: Convert to fraction form
    89,335.48/133,828.03 = 51,816.73/x
  3. Step 3: Cross multiply
    89,335.48x = 133,828.03 × 51,816.73
  4. Step 4: Simplify right side
    89,335.48x = 6,934,530,896.94
  5. Step 5: Solve for x
    x = 6,934,530,896.94/89,335.48
  6. Step 6: Final answer
    x = 77,623.48

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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.