Home / 82,016.72-113,180.30-50,185.61

Finding the Fourth Proportional to 82,016.72, 113,180.30 and 50,185.61

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Solution

The fourth proportional to 82,016.72, 113,180.30 and 50,185.61 is: 69,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,016.72 : 113,180.30 = 50,185.61 : x
  2. Step 2: Convert to fraction form
    82,016.72/113,180.30 = 50,185.61/x
  3. Step 3: Cross multiply
    82,016.72x = 113,180.30 × 50,185.61
  4. Step 4: Simplify right side
    82,016.72x = 5,680,022,427.51
  5. Step 5: Solve for x
    x = 5,680,022,427.51/82,016.72
  6. Step 6: Final answer
    x = 69,254.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.