Home / 53,842.99-80,754.75-18,792.67

Finding the Fourth Proportional to 53,842.99, 80,754.75 and 18,792.67

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Solution

The fourth proportional to 53,842.99, 80,754.75 and 18,792.67 is: 28,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,842.99 : 80,754.75 = 18,792.67 : x
  2. Step 2: Convert to fraction form
    53,842.99/80,754.75 = 18,792.67/x
  3. Step 3: Cross multiply
    53,842.99x = 80,754.75 × 18,792.67
  4. Step 4: Simplify right side
    53,842.99x = 1,517,597,367.68
  5. Step 5: Solve for x
    x = 1,517,597,367.68/53,842.99
  6. Step 6: Final answer
    x = 28,185.61

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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.