Home / 211,582.62-317,372.56-53,809.71

Finding the Fourth Proportional to 211,582.62, 317,372.56 and 53,809.71

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Solution

The fourth proportional to 211,582.62, 317,372.56 and 53,809.71 is: 80,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,582.62 : 317,372.56 = 53,809.71 : x
  2. Step 2: Convert to fraction form
    211,582.62/317,372.56 = 53,809.71/x
  3. Step 3: Cross multiply
    211,582.62x = 317,372.56 × 53,809.71
  4. Step 4: Simplify right side
    211,582.62x = 17,077,725,415.56
  5. Step 5: Solve for x
    x = 17,077,725,415.56/211,582.62
  6. Step 6: Final answer
    x = 80,714.22

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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.