Home / 211,631.89-317,477.61-61,883.44

Finding the Fourth Proportional to 211,631.89, 317,477.61 and 61,883.44

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Solution

The fourth proportional to 211,631.89, 317,477.61 and 61,883.44 is: 92,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,631.89 : 317,477.61 = 61,883.44 : x
  2. Step 2: Convert to fraction form
    211,631.89/317,477.61 = 61,883.44/x
  3. Step 3: Cross multiply
    211,631.89x = 317,477.61 × 61,883.44
  4. Step 4: Simplify right side
    211,631.89x = 19,646,605,836.08
  5. Step 5: Solve for x
    x = 19,646,605,836.08/211,631.89
  6. Step 6: Final answer
    x = 92,833.86

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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.