Home / 82,906.05-124,328.70-26,760.90

Finding the Fourth Proportional to 82,906.05, 124,328.70 and 26,760.90

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Solution

The fourth proportional to 82,906.05, 124,328.70 and 26,760.90 is: 40,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,906.05 : 124,328.70 = 26,760.90 : x
  2. Step 2: Convert to fraction form
    82,906.05/124,328.70 = 26,760.90/x
  3. Step 3: Cross multiply
    82,906.05x = 124,328.70 × 26,760.90
  4. Step 4: Simplify right side
    82,906.05x = 3,327,147,907.83
  5. Step 5: Solve for x
    x = 3,327,147,907.83/82,906.05
  6. Step 6: Final answer
    x = 40,131.55

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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.