Home / 84,486.24-116,620.14-48,690.54

Finding the Fourth Proportional to 84,486.24, 116,620.14 and 48,690.54

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Solution

The fourth proportional to 84,486.24, 116,620.14 and 48,690.54 is: 67,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,486.24 : 116,620.14 = 48,690.54 : x
  2. Step 2: Convert to fraction form
    84,486.24/116,620.14 = 48,690.54/x
  3. Step 3: Cross multiply
    84,486.24x = 116,620.14 × 48,690.54
  4. Step 4: Simplify right side
    84,486.24x = 5,678,297,591.48
  5. Step 5: Solve for x
    x = 5,678,297,591.48/84,486.24
  6. Step 6: Final answer
    x = 67,209.73

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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.