Home / 102,919.08-154,520.30-52,352.33

Finding the Fourth Proportional to 102,919.08, 154,520.30 and 52,352.33

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Solution

The fourth proportional to 102,919.08, 154,520.30 and 52,352.33 is: 78,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,919.08 : 154,520.30 = 52,352.33 : x
  2. Step 2: Convert to fraction form
    102,919.08/154,520.30 = 52,352.33/x
  3. Step 3: Cross multiply
    102,919.08x = 154,520.30 × 52,352.33
  4. Step 4: Simplify right side
    102,919.08x = 8,089,497,861.84
  5. Step 5: Solve for x
    x = 8,089,497,861.84/102,919.08
  6. Step 6: Final answer
    x = 78,600.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.