Home / 211,823.85-317,735.62-54,052.32

Finding the Fourth Proportional to 211,823.85, 317,735.62 and 54,052.32

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Solution

The fourth proportional to 211,823.85, 317,735.62 and 54,052.32 is: 81,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,823.85 : 317,735.62 = 54,052.32 : x
  2. Step 2: Convert to fraction form
    211,823.85/317,735.62 = 54,052.32/x
  3. Step 3: Cross multiply
    211,823.85x = 317,735.62 × 54,052.32
  4. Step 4: Simplify right side
    211,823.85x = 17,174,347,272.51
  5. Step 5: Solve for x
    x = 17,174,347,272.51/211,823.85
  6. Step 6: Final answer
    x = 81,078.44

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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.