Home / 54,986.51-82,463.32-28,676.90

Finding the Fourth Proportional to 54,986.51, 82,463.32 and 28,676.90

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Solution

The fourth proportional to 54,986.51, 82,463.32 and 28,676.90 is: 43,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.51 : 82,463.32 = 28,676.90 : x
  2. Step 2: Convert to fraction form
    54,986.51/82,463.32 = 28,676.90/x
  3. Step 3: Cross multiply
    54,986.51x = 82,463.32 × 28,676.90
  4. Step 4: Simplify right side
    54,986.51x = 2,364,792,462.00
  5. Step 5: Solve for x
    x = 2,364,792,462.00/54,986.51
  6. Step 6: Final answer
    x = 43,006.77

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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.