Home / 49,954.55-74,930.10-12,514.95

Finding the Fourth Proportional to 49,954.55, 74,930.10 and 12,514.95

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Solution

The fourth proportional to 49,954.55, 74,930.10 and 12,514.95 is: 18,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.55 : 74,930.10 = 12,514.95 : x
  2. Step 2: Convert to fraction form
    49,954.55/74,930.10 = 12,514.95/x
  3. Step 3: Cross multiply
    49,954.55x = 74,930.10 × 12,514.95
  4. Step 4: Simplify right side
    49,954.55x = 937,746,408.06
  5. Step 5: Solve for x
    x = 937,746,408.06/49,954.55
  6. Step 6: Final answer
    x = 18,771.99

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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.