Home / 53,744.55-80,649.22-18,708.81

Finding the Fourth Proportional to 53,744.55, 80,649.22 and 18,708.81

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Solution

The fourth proportional to 53,744.55, 80,649.22 and 18,708.81 is: 28,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,744.55 : 80,649.22 = 18,708.81 : x
  2. Step 2: Convert to fraction form
    53,744.55/80,649.22 = 18,708.81/x
  3. Step 3: Cross multiply
    53,744.55x = 80,649.22 × 18,708.81
  4. Step 4: Simplify right side
    53,744.55x = 1,508,850,619.50
  5. Step 5: Solve for x
    x = 1,508,850,619.50/53,744.55
  6. Step 6: Final answer
    x = 28,074.49

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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.