Home / 55,133.25-82,727.21-21,852.58

Finding the Fourth Proportional to 55,133.25, 82,727.21 and 21,852.58

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Solution

The fourth proportional to 55,133.25, 82,727.21 and 21,852.58 is: 32,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133.25 : 82,727.21 = 21,852.58 : x
  2. Step 2: Convert to fraction form
    55,133.25/82,727.21 = 21,852.58/x
  3. Step 3: Cross multiply
    55,133.25x = 82,727.21 × 21,852.58
  4. Step 4: Simplify right side
    55,133.25x = 1,807,802,451.80
  5. Step 5: Solve for x
    x = 1,807,802,451.80/55,133.25
  6. Step 6: Final answer
    x = 32,789.70

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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.