Home / 106,975.23-160,499.43-40,434.54

Finding the Fourth Proportional to 106,975.23, 160,499.43 and 40,434.54

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Solution

The fourth proportional to 106,975.23, 160,499.43 and 40,434.54 is: 60,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,975.23 : 160,499.43 = 40,434.54 : x
  2. Step 2: Convert to fraction form
    106,975.23/160,499.43 = 40,434.54/x
  3. Step 3: Cross multiply
    106,975.23x = 160,499.43 × 40,434.54
  4. Step 4: Simplify right side
    106,975.23x = 6,489,720,622.31
  5. Step 5: Solve for x
    x = 6,489,720,622.31/106,975.23
  6. Step 6: Final answer
    x = 60,665.64

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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.