Home / 41,728.91-62,603.62-12,147.00

Finding the Fourth Proportional to 41,728.91, 62,603.62 and 12,147.00

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Solution

The fourth proportional to 41,728.91, 62,603.62 and 12,147.00 is: 18,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,728.91 : 62,603.62 = 12,147.00 : x
  2. Step 2: Convert to fraction form
    41,728.91/62,603.62 = 12,147.00/x
  3. Step 3: Cross multiply
    41,728.91x = 62,603.62 × 12,147.00
  4. Step 4: Simplify right side
    41,728.91x = 760,445,907.01
  5. Step 5: Solve for x
    x = 760,445,907.01/41,728.91
  6. Step 6: Final answer
    x = 18,223.48

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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.