Home / 107,853.46-161,832.47-43,810.02

Finding the Fourth Proportional to 107,853.46, 161,832.47 and 43,810.02

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Solution

The fourth proportional to 107,853.46, 161,832.47 and 43,810.02 is: 65,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,853.46 : 161,832.47 = 43,810.02 : x
  2. Step 2: Convert to fraction form
    107,853.46/161,832.47 = 43,810.02/x
  3. Step 3: Cross multiply
    107,853.46x = 161,832.47 × 43,810.02
  4. Step 4: Simplify right side
    107,853.46x = 7,089,883,747.35
  5. Step 5: Solve for x
    x = 7,089,883,747.35/107,853.46
  6. Step 6: Final answer
    x = 65,736.27

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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.