Home / 109,550.79-164,330.30-30,662.97

Finding the Fourth Proportional to 109,550.79, 164,330.30 and 30,662.97

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Solution

The fourth proportional to 109,550.79, 164,330.30 and 30,662.97 is: 45,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,550.79 : 164,330.30 = 30,662.97 : x
  2. Step 2: Convert to fraction form
    109,550.79/164,330.30 = 30,662.97/x
  3. Step 3: Cross multiply
    109,550.79x = 164,330.30 × 30,662.97
  4. Step 4: Simplify right side
    109,550.79x = 5,038,854,905.68
  5. Step 5: Solve for x
    x = 5,038,854,905.68/109,550.79
  6. Step 6: Final answer
    x = 45,995.61

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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.