Home / 90,370.24-135,592.58-39,743.26

Finding the Fourth Proportional to 90,370.24, 135,592.58 and 39,743.26

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Solution

The fourth proportional to 90,370.24, 135,592.58 and 39,743.26 is: 59,631.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,370.24 : 135,592.58 = 39,743.26 : x
  2. Step 2: Convert to fraction form
    90,370.24/135,592.58 = 39,743.26/x
  3. Step 3: Cross multiply
    90,370.24x = 135,592.58 × 39,743.26
  4. Step 4: Simplify right side
    90,370.24x = 5,388,890,921.39
  5. Step 5: Solve for x
    x = 5,388,890,921.39/90,370.24
  6. Step 6: Final answer
    x = 59,631.26

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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.