Home / 107,769.79-161,654.67-32,890.32

Finding the Fourth Proportional to 107,769.79, 161,654.67 and 32,890.32

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Solution

The fourth proportional to 107,769.79, 161,654.67 and 32,890.32 is: 49,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,769.79 : 161,654.67 = 32,890.32 : x
  2. Step 2: Convert to fraction form
    107,769.79/161,654.67 = 32,890.32/x
  3. Step 3: Cross multiply
    107,769.79x = 161,654.67 × 32,890.32
  4. Step 4: Simplify right side
    107,769.79x = 5,316,873,825.79
  5. Step 5: Solve for x
    x = 5,316,873,825.79/107,769.79
  6. Step 6: Final answer
    x = 49,335.47

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1.5x scale

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.