Home / 72,282.63-108,381.34-33,771.53

Finding the Fourth Proportional to 72,282.63, 108,381.34 and 33,771.53

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Solution

The fourth proportional to 72,282.63, 108,381.34 and 33,771.53 is: 50,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,282.63 : 108,381.34 = 33,771.53 : x
  2. Step 2: Convert to fraction form
    72,282.63/108,381.34 = 33,771.53/x
  3. Step 3: Cross multiply
    72,282.63x = 108,381.34 × 33,771.53
  4. Step 4: Simplify right side
    72,282.63x = 3,660,203,988.42
  5. Step 5: Solve for x
    x = 3,660,203,988.42/72,282.63
  6. Step 6: Final answer
    x = 50,637.39

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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.