Home / 107,769.18-161,653.77-32,889.71

Finding the Fourth Proportional to 107,769.18, 161,653.77 and 32,889.71

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Solution

The fourth proportional to 107,769.18, 161,653.77 and 32,889.71 is: 49,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,769.18 : 161,653.77 = 32,889.71 : x
  2. Step 2: Convert to fraction form
    107,769.18/161,653.77 = 32,889.71/x
  3. Step 3: Cross multiply
    107,769.18x = 161,653.77 × 32,889.71
  4. Step 4: Simplify right side
    107,769.18x = 5,316,745,615.71
  5. Step 5: Solve for x
    x = 5,316,745,615.71/107,769.18
  6. Step 6: Final answer
    x = 49,334.57

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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.