Home / 54,620.79-81,950.91-19,087.41

Finding the Fourth Proportional to 54,620.79, 81,950.91 and 19,087.41

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Solution

The fourth proportional to 54,620.79, 81,950.91 and 19,087.41 is: 28,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.79 : 81,950.91 = 19,087.41 : x
  2. Step 2: Convert to fraction form
    54,620.79/81,950.91 = 19,087.41/x
  3. Step 3: Cross multiply
    54,620.79x = 81,950.91 × 19,087.41
  4. Step 4: Simplify right side
    54,620.79x = 1,564,230,619.04
  5. Step 5: Solve for x
    x = 1,564,230,619.04/54,620.79
  6. Step 6: Final answer
    x = 28,638.01

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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.