Home / 107,391.96-160,842.60-51,271.50

Finding the Fourth Proportional to 107,391.96, 160,842.60 and 51,271.50

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Solution

The fourth proportional to 107,391.96, 160,842.60 and 51,271.50 is: 76,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,391.96 : 160,842.60 = 51,271.50 : x
  2. Step 2: Convert to fraction form
    107,391.96/160,842.60 = 51,271.50/x
  3. Step 3: Cross multiply
    107,391.96x = 160,842.60 × 51,271.50
  4. Step 4: Simplify right side
    107,391.96x = 8,246,641,365.90
  5. Step 5: Solve for x
    x = 8,246,641,365.90/107,391.96
  6. Step 6: Final answer
    x = 76,790.12

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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.