Home / 85,539.27-128,219.94-32,194.69

Finding the Fourth Proportional to 85,539.27, 128,219.94 and 32,194.69

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Solution

The fourth proportional to 85,539.27, 128,219.94 and 32,194.69 is: 48,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,539.27 : 128,219.94 = 32,194.69 : x
  2. Step 2: Convert to fraction form
    85,539.27/128,219.94 = 32,194.69/x
  3. Step 3: Cross multiply
    85,539.27x = 128,219.94 × 32,194.69
  4. Step 4: Simplify right side
    85,539.27x = 4,128,001,169.64
  5. Step 5: Solve for x
    x = 4,128,001,169.64/85,539.27
  6. Step 6: Final answer
    x = 48,258.55

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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.