Home / 53,119.78-79,630.45-18,034.84

Finding the Fourth Proportional to 53,119.78, 79,630.45 and 18,034.84

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Solution

The fourth proportional to 53,119.78, 79,630.45 and 18,034.84 is: 27,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.78 : 79,630.45 = 18,034.84 : x
  2. Step 2: Convert to fraction form
    53,119.78/79,630.45 = 18,034.84/x
  3. Step 3: Cross multiply
    53,119.78x = 79,630.45 × 18,034.84
  4. Step 4: Simplify right side
    53,119.78x = 1,436,122,424.88
  5. Step 5: Solve for x
    x = 1,436,122,424.88/53,119.78
  6. Step 6: Final answer
    x = 27,035.55

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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.