Home / 82,125.65-123,220.67-32,197.20

Finding the Fourth Proportional to 82,125.65, 123,220.67 and 32,197.20

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Solution

The fourth proportional to 82,125.65, 123,220.67 and 32,197.20 is: 48,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,125.65 : 123,220.67 = 32,197.20 : x
  2. Step 2: Convert to fraction form
    82,125.65/123,220.67 = 32,197.20/x
  3. Step 3: Cross multiply
    82,125.65x = 123,220.67 × 32,197.20
  4. Step 4: Simplify right side
    82,125.65x = 3,967,360,556.12
  5. Step 5: Solve for x
    x = 3,967,360,556.12/82,125.65
  6. Step 6: Final answer
    x = 48,308.42

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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.