Home / 41,123.25-61,690.77-12,662.62

Finding the Fourth Proportional to 41,123.25, 61,690.77 and 12,662.62

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Solution

The fourth proportional to 41,123.25, 61,690.77 and 12,662.62 is: 18,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,123.25 : 61,690.77 = 12,662.62 : x
  2. Step 2: Convert to fraction form
    41,123.25/61,690.77 = 12,662.62/x
  3. Step 3: Cross multiply
    41,123.25x = 61,690.77 × 12,662.62
  4. Step 4: Simplify right side
    41,123.25x = 781,166,460.64
  5. Step 5: Solve for x
    x = 781,166,460.64/41,123.25
  6. Step 6: Final answer
    x = 18,995.74

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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.