Home / 82,285.05-123,427.58-28,964.47

Finding the Fourth Proportional to 82,285.05, 123,427.58 and 28,964.47

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Solution

The fourth proportional to 82,285.05, 123,427.58 and 28,964.47 is: 43,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,285.05 : 123,427.58 = 28,964.47 : x
  2. Step 2: Convert to fraction form
    82,285.05/123,427.58 = 28,964.47/x
  3. Step 3: Cross multiply
    82,285.05x = 123,427.58 × 28,964.47
  4. Step 4: Simplify right side
    82,285.05x = 3,575,014,438.08
  5. Step 5: Solve for x
    x = 3,575,014,438.08/82,285.05
  6. Step 6: Final answer
    x = 43,446.71

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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.