Home / 82,736.06-124,079.40-30,133.23

Finding the Fourth Proportional to 82,736.06, 124,079.40 and 30,133.23

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Solution

The fourth proportional to 82,736.06, 124,079.40 and 30,133.23 is: 45,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,736.06 : 124,079.40 = 30,133.23 : x
  2. Step 2: Convert to fraction form
    82,736.06/124,079.40 = 30,133.23/x
  3. Step 3: Cross multiply
    82,736.06x = 124,079.40 × 30,133.23
  4. Step 4: Simplify right side
    82,736.06x = 3,738,913,098.46
  5. Step 5: Solve for x
    x = 3,738,913,098.46/82,736.06
  6. Step 6: Final answer
    x = 45,190.86

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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.