Home / 53,534.44-80,321.10-18,477.64

Finding the Fourth Proportional to 53,534.44, 80,321.10 and 18,477.64

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Solution

The fourth proportional to 53,534.44, 80,321.10 and 18,477.64 is: 27,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,534.44 : 80,321.10 = 18,477.64 : x
  2. Step 2: Convert to fraction form
    53,534.44/80,321.10 = 18,477.64/x
  3. Step 3: Cross multiply
    53,534.44x = 80,321.10 × 18,477.64
  4. Step 4: Simplify right side
    53,534.44x = 1,484,144,370.20
  5. Step 5: Solve for x
    x = 1,484,144,370.20/53,534.44
  6. Step 6: Final answer
    x = 27,723.17

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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.