Home / 98,623.50-147,739.77-45,960.54

Finding the Fourth Proportional to 98,623.50, 147,739.77 and 45,960.54

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Solution

The fourth proportional to 98,623.50, 147,739.77 and 45,960.54 is: 68,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.50 : 147,739.77 = 45,960.54 : x
  2. Step 2: Convert to fraction form
    98,623.50/147,739.77 = 45,960.54/x
  3. Step 3: Cross multiply
    98,623.50x = 147,739.77 × 45,960.54
  4. Step 4: Simplify right side
    98,623.50x = 6,790,199,608.68
  5. Step 5: Solve for x
    x = 6,790,199,608.68/98,623.50
  6. Step 6: Final answer
    x = 68,849.71

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1.5x scale

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.