Home / 107,004.85-160,469.41-31,087.60

Finding the Fourth Proportional to 107,004.85, 160,469.41 and 31,087.60

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Solution

The fourth proportional to 107,004.85, 160,469.41 and 31,087.60 is: 46,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,004.85 : 160,469.41 = 31,087.60 : x
  2. Step 2: Convert to fraction form
    107,004.85/160,469.41 = 31,087.60/x
  3. Step 3: Cross multiply
    107,004.85x = 160,469.41 × 31,087.60
  4. Step 4: Simplify right side
    107,004.85x = 4,988,608,830.32
  5. Step 5: Solve for x
    x = 4,988,608,830.32/107,004.85
  6. Step 6: Final answer
    x = 46,620.40

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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.