Home / 54,739.16-82,072.28-19,674.26

Finding the Fourth Proportional to 54,739.16, 82,072.28 and 19,674.26

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Solution

The fourth proportional to 54,739.16, 82,072.28 and 19,674.26 is: 29,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.16 : 82,072.28 = 19,674.26 : x
  2. Step 2: Convert to fraction form
    54,739.16/82,072.28 = 19,674.26/x
  3. Step 3: Cross multiply
    54,739.16x = 82,072.28 × 19,674.26
  4. Step 4: Simplify right side
    54,739.16x = 1,614,710,965.15
  5. Step 5: Solve for x
    x = 1,614,710,965.15/54,739.16
  6. Step 6: Final answer
    x = 29,498.28

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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.