Home / 88,917.44-122,679.68-51,190.72

Finding the Fourth Proportional to 88,917.44, 122,679.68 and 51,190.72

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Solution

The fourth proportional to 88,917.44, 122,679.68 and 51,190.72 is: 70,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,917.44 : 122,679.68 = 51,190.72 : x
  2. Step 2: Convert to fraction form
    88,917.44/122,679.68 = 51,190.72/x
  3. Step 3: Cross multiply
    88,917.44x = 122,679.68 × 51,190.72
  4. Step 4: Simplify right side
    88,917.44x = 6,280,061,148.57
  5. Step 5: Solve for x
    x = 6,280,061,148.57/88,917.44
  6. Step 6: Final answer
    x = 70,628.00

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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.