Home / 82,811.56-124,274.94-36,040.36

Finding the Fourth Proportional to 82,811.56, 124,274.94 and 36,040.36

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Solution

The fourth proportional to 82,811.56, 124,274.94 and 36,040.36 is: 54,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811.56 : 124,274.94 = 36,040.36 : x
  2. Step 2: Convert to fraction form
    82,811.56/124,274.94 = 36,040.36/x
  3. Step 3: Cross multiply
    82,811.56x = 124,274.94 × 36,040.36
  4. Step 4: Simplify right side
    82,811.56x = 4,478,913,576.58
  5. Step 5: Solve for x
    x = 4,478,913,576.58/82,811.56
  6. Step 6: Final answer
    x = 54,085.61

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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.