Home / 55,739.84-83,615.09-18,300.02

Finding the Fourth Proportional to 55,739.84, 83,615.09 and 18,300.02

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Solution

The fourth proportional to 55,739.84, 83,615.09 and 18,300.02 is: 27,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,739.84 : 83,615.09 = 18,300.02 : x
  2. Step 2: Convert to fraction form
    55,739.84/83,615.09 = 18,300.02/x
  3. Step 3: Cross multiply
    55,739.84x = 83,615.09 × 18,300.02
  4. Step 4: Simplify right side
    55,739.84x = 1,530,157,309.73
  5. Step 5: Solve for x
    x = 1,530,157,309.73/55,739.84
  6. Step 6: Final answer
    x = 27,451.77

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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.