Home / 89,963.83-135,033.21-43,249.51

Finding the Fourth Proportional to 89,963.83, 135,033.21 and 43,249.51

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Solution

The fourth proportional to 89,963.83, 135,033.21 and 43,249.51 is: 64,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,963.83 : 135,033.21 = 43,249.51 : x
  2. Step 2: Convert to fraction form
    89,963.83/135,033.21 = 43,249.51/x
  3. Step 3: Cross multiply
    89,963.83x = 135,033.21 × 43,249.51
  4. Step 4: Simplify right side
    89,963.83x = 5,840,120,166.23
  5. Step 5: Solve for x
    x = 5,840,120,166.23/89,963.83
  6. Step 6: Final answer
    x = 64,916.31

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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.