Home / 55,829.70-83,756.09-18,392.05

Finding the Fourth Proportional to 55,829.70, 83,756.09 and 18,392.05

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Solution

The fourth proportional to 55,829.70, 83,756.09 and 18,392.05 is: 27,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,829.70 : 83,756.09 = 18,392.05 : x
  2. Step 2: Convert to fraction form
    55,829.70/83,756.09 = 18,392.05/x
  3. Step 3: Cross multiply
    55,829.70x = 83,756.09 × 18,392.05
  4. Step 4: Simplify right side
    55,829.70x = 1,540,446,195.08
  5. Step 5: Solve for x
    x = 1,540,446,195.08/55,829.70
  6. Step 6: Final answer
    x = 27,591.88

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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.