Home / 82,427.93-123,640.53-26,267.27

Finding the Fourth Proportional to 82,427.93, 123,640.53 and 26,267.27

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Solution

The fourth proportional to 82,427.93, 123,640.53 and 26,267.27 is: 39,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,427.93 : 123,640.53 = 26,267.27 : x
  2. Step 2: Convert to fraction form
    82,427.93/123,640.53 = 26,267.27/x
  3. Step 3: Cross multiply
    82,427.93x = 123,640.53 × 26,267.27
  4. Step 4: Simplify right side
    82,427.93x = 3,247,698,566.25
  5. Step 5: Solve for x
    x = 3,247,698,566.25/82,427.93
  6. Step 6: Final answer
    x = 39,400.46

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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.