Home / 53,896.23-80,881.34-18,835.92

Finding the Fourth Proportional to 53,896.23, 80,881.34 and 18,835.92

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Solution

The fourth proportional to 53,896.23, 80,881.34 and 18,835.92 is: 28,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896.23 : 80,881.34 = 18,835.92 : x
  2. Step 2: Convert to fraction form
    53,896.23/80,881.34 = 18,835.92/x
  3. Step 3: Cross multiply
    53,896.23x = 80,881.34 × 18,835.92
  4. Step 4: Simplify right side
    53,896.23x = 1,523,474,355.55
  5. Step 5: Solve for x
    x = 1,523,474,355.55/53,896.23
  6. Step 6: Final answer
    x = 28,266.81

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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.