Home / 88,982.68-122,784.24-51,249.64

Finding the Fourth Proportional to 88,982.68, 122,784.24 and 51,249.64

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Solution

The fourth proportional to 88,982.68, 122,784.24 and 51,249.64 is: 70,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,982.68 : 122,784.24 = 51,249.64 : x
  2. Step 2: Convert to fraction form
    88,982.68/122,784.24 = 51,249.64/x
  3. Step 3: Cross multiply
    88,982.68x = 122,784.24 × 51,249.64
  4. Step 4: Simplify right side
    88,982.68x = 6,292,648,097.67
  5. Step 5: Solve for x
    x = 6,292,648,097.67/88,982.68
  6. Step 6: Final answer
    x = 70,717.67

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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.