Home / 211,829.49-317,743.97-54,057.94

Finding the Fourth Proportional to 211,829.49, 317,743.97 and 54,057.94

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Solution

The fourth proportional to 211,829.49, 317,743.97 and 54,057.94 is: 81,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,829.49 : 317,743.97 = 54,057.94 : x
  2. Step 2: Convert to fraction form
    211,829.49/317,743.97 = 54,057.94/x
  3. Step 3: Cross multiply
    211,829.49x = 317,743.97 × 54,057.94
  4. Step 4: Simplify right side
    211,829.49x = 17,176,584,465.62
  5. Step 5: Solve for x
    x = 17,176,584,465.62/211,829.49
  6. Step 6: Final answer
    x = 81,086.84

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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.