Home / 211,404.35-317,072.75-61,609.59

Finding the Fourth Proportional to 211,404.35, 317,072.75 and 61,609.59

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Solution

The fourth proportional to 211,404.35, 317,072.75 and 61,609.59 is: 92,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,404.35 : 317,072.75 = 61,609.59 : x
  2. Step 2: Convert to fraction form
    211,404.35/317,072.75 = 61,609.59/x
  3. Step 3: Cross multiply
    211,404.35x = 317,072.75 × 61,609.59
  4. Step 4: Simplify right side
    211,404.35x = 19,534,722,127.67
  5. Step 5: Solve for x
    x = 19,534,722,127.67/211,404.35
  6. Step 6: Final answer
    x = 92,404.54

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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.