Home / 120,724.16-181,086.24-41,838.36

Finding the Fourth Proportional to 120,724.16, 181,086.24 and 41,838.36

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Solution

The fourth proportional to 120,724.16, 181,086.24 and 41,838.36 is: 62,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724.16 : 181,086.24 = 41,838.36 : x
  2. Step 2: Convert to fraction form
    120,724.16/181,086.24 = 41,838.36/x
  3. Step 3: Cross multiply
    120,724.16x = 181,086.24 × 41,838.36
  4. Step 4: Simplify right side
    120,724.16x = 7,576,351,300.17
  5. Step 5: Solve for x
    x = 7,576,351,300.17/120,724.16
  6. Step 6: Final answer
    x = 62,757.54

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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.