Home / 211,554.50-317,361.38-61,805.75

Finding the Fourth Proportional to 211,554.50, 317,361.38 and 61,805.75

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Solution

The fourth proportional to 211,554.50, 317,361.38 and 61,805.75 is: 92,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,554.50 : 317,361.38 = 61,805.75 : x
  2. Step 2: Convert to fraction form
    211,554.50/317,361.38 = 61,805.75/x
  3. Step 3: Cross multiply
    211,554.50x = 317,361.38 × 61,805.75
  4. Step 4: Simplify right side
    211,554.50x = 19,614,756,216.10
  5. Step 5: Solve for x
    x = 19,614,756,216.10/211,554.50
  6. Step 6: Final answer
    x = 92,717.27

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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.