Home / 82,609.23-123,913.94-22,638.21

Finding the Fourth Proportional to 82,609.23, 123,913.94 and 22,638.21

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Solution

The fourth proportional to 82,609.23, 123,913.94 and 22,638.21 is: 33,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,609.23 : 123,913.94 = 22,638.21 : x
  2. Step 2: Convert to fraction form
    82,609.23/123,913.94 = 22,638.21/x
  3. Step 3: Cross multiply
    82,609.23x = 123,913.94 × 22,638.21
  4. Step 4: Simplify right side
    82,609.23x = 2,805,189,795.65
  5. Step 5: Solve for x
    x = 2,805,189,795.65/82,609.23
  6. Step 6: Final answer
    x = 33,957.34

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1.5x scale

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.