Home / 107,653.86-161,489.03-32,780.36

Finding the Fourth Proportional to 107,653.86, 161,489.03 and 32,780.36

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Solution

The fourth proportional to 107,653.86, 161,489.03 and 32,780.36 is: 49,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,653.86 : 161,489.03 = 32,780.36 : x
  2. Step 2: Convert to fraction form
    107,653.86/161,489.03 = 32,780.36/x
  3. Step 3: Cross multiply
    107,653.86x = 161,489.03 × 32,780.36
  4. Step 4: Simplify right side
    107,653.86x = 5,293,668,779.27
  5. Step 5: Solve for x
    x = 5,293,668,779.27/107,653.86
  6. Step 6: Final answer
    x = 49,173.05

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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.