Home / 105,351.36-158,027.17-43,021.86

Finding the Fourth Proportional to 105,351.36, 158,027.17 and 43,021.86

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Solution

The fourth proportional to 105,351.36, 158,027.17 and 43,021.86 is: 64,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,351.36 : 158,027.17 = 43,021.86 : x
  2. Step 2: Convert to fraction form
    105,351.36/158,027.17 = 43,021.86/x
  3. Step 3: Cross multiply
    105,351.36x = 158,027.17 × 43,021.86
  4. Step 4: Simplify right side
    105,351.36x = 6,798,622,783.94
  5. Step 5: Solve for x
    x = 6,798,622,783.94/105,351.36
  6. Step 6: Final answer
    x = 64,532.84

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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.