Home / 54,857.04-82,292.16-19,310.98

Finding the Fourth Proportional to 54,857.04, 82,292.16 and 19,310.98

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Solution

The fourth proportional to 54,857.04, 82,292.16 and 19,310.98 is: 28,968.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,857.04 : 82,292.16 = 19,310.98 : x
  2. Step 2: Convert to fraction form
    54,857.04/82,292.16 = 19,310.98/x
  3. Step 3: Cross multiply
    54,857.04x = 82,292.16 × 19,310.98
  4. Step 4: Simplify right side
    54,857.04x = 1,589,141,953.63
  5. Step 5: Solve for x
    x = 1,589,141,953.63/54,857.04
  6. Step 6: Final answer
    x = 28,968.79

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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.