Home / 54,707.14-82,061.07-19,647.10

Finding the Fourth Proportional to 54,707.14, 82,061.07 and 19,647.10

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Solution

The fourth proportional to 54,707.14, 82,061.07 and 19,647.10 is: 29,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,707.14 : 82,061.07 = 19,647.10 : x
  2. Step 2: Convert to fraction form
    54,707.14/82,061.07 = 19,647.10/x
  3. Step 3: Cross multiply
    54,707.14x = 82,061.07 × 19,647.10
  4. Step 4: Simplify right side
    54,707.14x = 1,612,262,048.40
  5. Step 5: Solve for x
    x = 1,612,262,048.40/54,707.14
  6. Step 6: Final answer
    x = 29,470.78

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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.