Home / 56,640.64-84,955.46-17,198.09

Finding the Fourth Proportional to 56,640.64, 84,955.46 and 17,198.09

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Solution

The fourth proportional to 56,640.64, 84,955.46 and 17,198.09 is: 25,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,640.64 : 84,955.46 = 17,198.09 : x
  2. Step 2: Convert to fraction form
    56,640.64/84,955.46 = 17,198.09/x
  3. Step 3: Cross multiply
    56,640.64x = 84,955.46 × 17,198.09
  4. Step 4: Simplify right side
    56,640.64x = 1,461,071,647.07
  5. Step 5: Solve for x
    x = 1,461,071,647.07/56,640.64
  6. Step 6: Final answer
    x = 25,795.47

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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.