Home / 81,066.96-121,628.39-33,707.48

Finding the Fourth Proportional to 81,066.96, 121,628.39 and 33,707.48

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Solution

The fourth proportional to 81,066.96, 121,628.39 and 33,707.48 is: 50,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,066.96 : 121,628.39 = 33,707.48 : x
  2. Step 2: Convert to fraction form
    81,066.96/121,628.39 = 33,707.48/x
  3. Step 3: Cross multiply
    81,066.96x = 121,628.39 × 33,707.48
  4. Step 4: Simplify right side
    81,066.96x = 4,099,785,746.68
  5. Step 5: Solve for x
    x = 4,099,785,746.68/81,066.96
  6. Step 6: Final answer
    x = 50,572.83

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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.