Home / 85,396.17-117,871.74-49,602.27

Finding the Fourth Proportional to 85,396.17, 117,871.74 and 49,602.27

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Solution

The fourth proportional to 85,396.17, 117,871.74 and 49,602.27 is: 68,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,396.17 : 117,871.74 = 49,602.27 : x
  2. Step 2: Convert to fraction form
    85,396.17/117,871.74 = 49,602.27/x
  3. Step 3: Cross multiply
    85,396.17x = 117,871.74 × 49,602.27
  4. Step 4: Simplify right side
    85,396.17x = 5,846,705,872.85
  5. Step 5: Solve for x
    x = 5,846,705,872.85/85,396.17
  6. Step 6: Final answer
    x = 68,465.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.