Home / 90,443.24-135,588.30-34,252.37

Finding the Fourth Proportional to 90,443.24, 135,588.30 and 34,252.37

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Solution

The fourth proportional to 90,443.24, 135,588.30 and 34,252.37 is: 51,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,443.24 : 135,588.30 = 34,252.37 : x
  2. Step 2: Convert to fraction form
    90,443.24/135,588.30 = 34,252.37/x
  3. Step 3: Cross multiply
    90,443.24x = 135,588.30 × 34,252.37
  4. Step 4: Simplify right side
    90,443.24x = 4,644,220,619.27
  5. Step 5: Solve for x
    x = 4,644,220,619.27/90,443.24
  6. Step 6: Final answer
    x = 51,349.56

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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.