Home / 49,408.60-74,123.70-16,130.20

Finding the Fourth Proportional to 49,408.60, 74,123.70 and 16,130.20

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Solution

The fourth proportional to 49,408.60, 74,123.70 and 16,130.20 is: 24,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,408.60 : 74,123.70 = 16,130.20 : x
  2. Step 2: Convert to fraction form
    49,408.60/74,123.70 = 16,130.20/x
  3. Step 3: Cross multiply
    49,408.60x = 74,123.70 × 16,130.20
  4. Step 4: Simplify right side
    49,408.60x = 1,195,630,105.74
  5. Step 5: Solve for x
    x = 1,195,630,105.74/49,408.60
  6. Step 6: Final answer
    x = 24,198.83

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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.