Home / 82,173.11-123,278.09-26,016.48

Finding the Fourth Proportional to 82,173.11, 123,278.09 and 26,016.48

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Solution

The fourth proportional to 82,173.11, 123,278.09 and 26,016.48 is: 39,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,173.11 : 123,278.09 = 26,016.48 : x
  2. Step 2: Convert to fraction form
    82,173.11/123,278.09 = 26,016.48/x
  3. Step 3: Cross multiply
    82,173.11x = 123,278.09 × 26,016.48
  4. Step 4: Simplify right side
    82,173.11x = 3,207,261,832.84
  5. Step 5: Solve for x
    x = 3,207,261,832.84/82,173.11
  6. Step 6: Final answer
    x = 39,030.55

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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.