Home / 55,208.88-82,816.08-15,771.84

Finding the Fourth Proportional to 55,208.88, 82,816.08 and 15,771.84

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Solution

The fourth proportional to 55,208.88, 82,816.08 and 15,771.84 is: 23,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,208.88 : 82,816.08 = 15,771.84 : x
  2. Step 2: Convert to fraction form
    55,208.88/82,816.08 = 15,771.84/x
  3. Step 3: Cross multiply
    55,208.88x = 82,816.08 × 15,771.84
  4. Step 4: Simplify right side
    55,208.88x = 1,306,161,963.19
  5. Step 5: Solve for x
    x = 1,306,161,963.19/55,208.88
  6. Step 6: Final answer
    x = 23,658.55

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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.