Home / 89,977.80-135,048.49-47,893.09

Finding the Fourth Proportional to 89,977.80, 135,048.49 and 47,893.09

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Solution

The fourth proportional to 89,977.80, 135,048.49 and 47,893.09 is: 71,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,977.80 : 135,048.49 = 47,893.09 : x
  2. Step 2: Convert to fraction form
    89,977.80/135,048.49 = 47,893.09/x
  3. Step 3: Cross multiply
    89,977.80x = 135,048.49 × 47,893.09
  4. Step 4: Simplify right side
    89,977.80x = 6,467,888,930.42
  5. Step 5: Solve for x
    x = 6,467,888,930.42/89,977.80
  6. Step 6: Final answer
    x = 71,883.16

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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.