Home / 84,651.14-116,819.61-48,848.60

Finding the Fourth Proportional to 84,651.14, 116,819.61 and 48,848.60

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Solution

The fourth proportional to 84,651.14, 116,819.61 and 48,848.60 is: 67,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,651.14 : 116,819.61 = 48,848.60 : x
  2. Step 2: Convert to fraction form
    84,651.14/116,819.61 = 48,848.60/x
  3. Step 3: Cross multiply
    84,651.14x = 116,819.61 × 48,848.60
  4. Step 4: Simplify right side
    84,651.14x = 5,706,474,401.05
  5. Step 5: Solve for x
    x = 5,706,474,401.05/84,651.14
  6. Step 6: Final answer
    x = 67,411.67

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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.