Home / 107,856.40-161,784.60-32,976.40

Finding the Fourth Proportional to 107,856.40, 161,784.60 and 32,976.40

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Solution

The fourth proportional to 107,856.40, 161,784.60 and 32,976.40 is: 49,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,856.40 : 161,784.60 = 32,976.40 : x
  2. Step 2: Convert to fraction form
    107,856.40/161,784.60 = 32,976.40/x
  3. Step 3: Cross multiply
    107,856.40x = 161,784.60 × 32,976.40
  4. Step 4: Simplify right side
    107,856.40x = 5,335,073,683.44
  5. Step 5: Solve for x
    x = 5,335,073,683.44/107,856.40
  6. Step 6: Final answer
    x = 49,464.60

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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.