Home / 71,636.03-107,415.44-54,954.89

Finding the Fourth Proportional to 71,636.03, 107,415.44 and 54,954.89

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Solution

The fourth proportional to 71,636.03, 107,415.44 and 54,954.89 is: 82,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,636.03 : 107,415.44 = 54,954.89 : x
  2. Step 2: Convert to fraction form
    71,636.03/107,415.44 = 54,954.89/x
  3. Step 3: Cross multiply
    71,636.03x = 107,415.44 × 54,954.89
  4. Step 4: Simplify right side
    71,636.03x = 5,903,003,414.73
  5. Step 5: Solve for x
    x = 5,903,003,414.73/71,636.03
  6. Step 6: Final answer
    x = 82,402.72

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1.5x scale

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.