Home / 105,351.86-158,027.93-43,022.36

Finding the Fourth Proportional to 105,351.86, 158,027.93 and 43,022.36

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Solution

The fourth proportional to 105,351.86, 158,027.93 and 43,022.36 is: 64,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,351.86 : 158,027.93 = 43,022.36 : x
  2. Step 2: Convert to fraction form
    105,351.86/158,027.93 = 43,022.36/x
  3. Step 3: Cross multiply
    105,351.86x = 158,027.93 × 43,022.36
  4. Step 4: Simplify right side
    105,351.86x = 6,798,733,489.26
  5. Step 5: Solve for x
    x = 6,798,733,489.26/105,351.86
  6. Step 6: Final answer
    x = 64,533.59

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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.