Home / 101,580.48-140,183.03-60,786.55

Finding the Fourth Proportional to 101,580.48, 140,183.03 and 60,786.55

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Solution

The fourth proportional to 101,580.48, 140,183.03 and 60,786.55 is: 83,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,580.48 : 140,183.03 = 60,786.55 : x
  2. Step 2: Convert to fraction form
    101,580.48/140,183.03 = 60,786.55/x
  3. Step 3: Cross multiply
    101,580.48x = 140,183.03 × 60,786.55
  4. Step 4: Simplify right side
    101,580.48x = 8,521,242,918.48
  5. Step 5: Solve for x
    x = 8,521,242,918.48/101,580.48
  6. Step 6: Final answer
    x = 83,886.62

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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.