Home / 90,033.27-135,089.49-47,903.44

Finding the Fourth Proportional to 90,033.27, 135,089.49 and 47,903.44

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Solution

The fourth proportional to 90,033.27, 135,089.49 and 47,903.44 is: 71,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,033.27 : 135,089.49 = 47,903.44 : x
  2. Step 2: Convert to fraction form
    90,033.27/135,089.49 = 47,903.44/x
  3. Step 3: Cross multiply
    90,033.27x = 135,089.49 × 47,903.44
  4. Step 4: Simplify right side
    90,033.27x = 6,471,251,278.85
  5. Step 5: Solve for x
    x = 6,471,251,278.85/90,033.27
  6. Step 6: Final answer
    x = 71,876.22

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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.