Home / 98,766.72-148,183.33-31,309.77

Finding the Fourth Proportional to 98,766.72, 148,183.33 and 31,309.77

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Solution

The fourth proportional to 98,766.72, 148,183.33 and 31,309.77 is: 46,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,766.72 : 148,183.33 = 31,309.77 : x
  2. Step 2: Convert to fraction form
    98,766.72/148,183.33 = 31,309.77/x
  3. Step 3: Cross multiply
    98,766.72x = 148,183.33 × 31,309.77
  4. Step 4: Simplify right side
    98,766.72x = 4,639,585,980.13
  5. Step 5: Solve for x
    x = 4,639,585,980.13/98,766.72
  6. Step 6: Final answer
    x = 46,975.20

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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.