Home / 82,977.94-124,428.03-30,350.62

Finding the Fourth Proportional to 82,977.94, 124,428.03 and 30,350.62

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Solution

The fourth proportional to 82,977.94, 124,428.03 and 30,350.62 is: 45,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,977.94 : 124,428.03 = 30,350.62 : x
  2. Step 2: Convert to fraction form
    82,977.94/124,428.03 = 30,350.62/x
  3. Step 3: Cross multiply
    82,977.94x = 124,428.03 × 30,350.62
  4. Step 4: Simplify right side
    82,977.94x = 3,776,467,855.88
  5. Step 5: Solve for x
    x = 3,776,467,855.88/82,977.94
  6. Step 6: Final answer
    x = 45,511.71

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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.