Home / 107,310.65-161,123.94-60,018.39

Finding the Fourth Proportional to 107,310.65, 161,123.94 and 60,018.39

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Solution

The fourth proportional to 107,310.65, 161,123.94 and 60,018.39 is: 90,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,310.65 : 161,123.94 = 60,018.39 : x
  2. Step 2: Convert to fraction form
    107,310.65/161,123.94 = 60,018.39/x
  3. Step 3: Cross multiply
    107,310.65x = 161,123.94 × 60,018.39
  4. Step 4: Simplify right side
    107,310.65x = 9,670,399,469.26
  5. Step 5: Solve for x
    x = 9,670,399,469.26/107,310.65
  6. Step 6: Final answer
    x = 90,115.94

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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.