Home / 101,057.09-151,541.69-53,661.83

Finding the Fourth Proportional to 101,057.09, 151,541.69 and 53,661.83

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Solution

The fourth proportional to 101,057.09, 151,541.69 and 53,661.83 is: 80,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,057.09 : 151,541.69 = 53,661.83 : x
  2. Step 2: Convert to fraction form
    101,057.09/151,541.69 = 53,661.83/x
  3. Step 3: Cross multiply
    101,057.09x = 151,541.69 × 53,661.83
  4. Step 4: Simplify right side
    101,057.09x = 8,132,003,380.68
  5. Step 5: Solve for x
    x = 8,132,003,380.68/101,057.09
  6. Step 6: Final answer
    x = 80,469.40

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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.