Home / 90,623.44-135,871.68-34,466.80

Finding the Fourth Proportional to 90,623.44, 135,871.68 and 34,466.80

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Solution

The fourth proportional to 90,623.44, 135,871.68 and 34,466.80 is: 51,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623.44 : 135,871.68 = 34,466.80 : x
  2. Step 2: Convert to fraction form
    90,623.44/135,871.68 = 34,466.80/x
  3. Step 3: Cross multiply
    90,623.44x = 135,871.68 × 34,466.80
  4. Step 4: Simplify right side
    90,623.44x = 4,683,062,020.22
  5. Step 5: Solve for x
    x = 4,683,062,020.22/90,623.44
  6. Step 6: Final answer
    x = 51,676.06

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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.