Home / 53,844.48-80,771.04-18,783.36

Finding the Fourth Proportional to 53,844.48, 80,771.04 and 18,783.36

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Solution

The fourth proportional to 53,844.48, 80,771.04 and 18,783.36 is: 28,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,844.48 : 80,771.04 = 18,783.36 : x
  2. Step 2: Convert to fraction form
    53,844.48/80,771.04 = 18,783.36/x
  3. Step 3: Cross multiply
    53,844.48x = 80,771.04 × 18,783.36
  4. Step 4: Simplify right side
    53,844.48x = 1,517,151,521.89
  5. Step 5: Solve for x
    x = 1,517,151,521.89/53,844.48
  6. Step 6: Final answer
    x = 28,176.55

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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.