Home / 82,317.07-123,462.74-26,149.80

Finding the Fourth Proportional to 82,317.07, 123,462.74 and 26,149.80

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Solution

The fourth proportional to 82,317.07, 123,462.74 and 26,149.80 is: 39,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,317.07 : 123,462.74 = 26,149.80 : x
  2. Step 2: Convert to fraction form
    82,317.07/123,462.74 = 26,149.80/x
  3. Step 3: Cross multiply
    82,317.07x = 123,462.74 × 26,149.80
  4. Step 4: Simplify right side
    82,317.07x = 3,228,525,958.45
  5. Step 5: Solve for x
    x = 3,228,525,958.45/82,317.07
  6. Step 6: Final answer
    x = 39,220.61

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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.