Home / 53,163.63-73,376.43-30,517.93

Finding the Fourth Proportional to 53,163.63, 73,376.43 and 30,517.93

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Solution

The fourth proportional to 53,163.63, 73,376.43 and 30,517.93 is: 42,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.63 : 73,376.43 = 30,517.93 : x
  2. Step 2: Convert to fraction form
    53,163.63/73,376.43 = 30,517.93/x
  3. Step 3: Cross multiply
    53,163.63x = 73,376.43 × 30,517.93
  4. Step 4: Simplify right side
    53,163.63x = 2,239,296,754.39
  5. Step 5: Solve for x
    x = 2,239,296,754.39/53,163.63
  6. Step 6: Final answer
    x = 42,120.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.