Home / 53,873.34-80,811.32-18,334.59

Finding the Fourth Proportional to 53,873.34, 80,811.32 and 18,334.59

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Solution

The fourth proportional to 53,873.34, 80,811.32 and 18,334.59 is: 27,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,873.34 : 80,811.32 = 18,334.59 : x
  2. Step 2: Convert to fraction form
    53,873.34/80,811.32 = 18,334.59/x
  3. Step 3: Cross multiply
    53,873.34x = 80,811.32 × 18,334.59
  4. Step 4: Simplify right side
    53,873.34x = 1,481,642,327.89
  5. Step 5: Solve for x
    x = 1,481,642,327.89/53,873.34
  6. Step 6: Final answer
    x = 27,502.33

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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.