Home / 107,739.56-161,609.36-28,852.04

Finding the Fourth Proportional to 107,739.56, 161,609.36 and 28,852.04

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Solution

The fourth proportional to 107,739.56, 161,609.36 and 28,852.04 is: 43,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,739.56 : 161,609.36 = 28,852.04 : x
  2. Step 2: Convert to fraction form
    107,739.56/161,609.36 = 28,852.04/x
  3. Step 3: Cross multiply
    107,739.56x = 161,609.36 × 28,852.04
  4. Step 4: Simplify right side
    107,739.56x = 4,662,759,978.86
  5. Step 5: Solve for x
    x = 4,662,759,978.86/107,739.56
  6. Step 6: Final answer
    x = 43,278.07

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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.