Home / 102,733.20-154,002.60-60,645.60

Finding the Fourth Proportional to 102,733.20, 154,002.60 and 60,645.60

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Solution

The fourth proportional to 102,733.20, 154,002.60 and 60,645.60 is: 90,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,733.20 : 154,002.60 = 60,645.60 : x
  2. Step 2: Convert to fraction form
    102,733.20/154,002.60 = 60,645.60/x
  3. Step 3: Cross multiply
    102,733.20x = 154,002.60 × 60,645.60
  4. Step 4: Simplify right side
    102,733.20x = 9,339,580,078.56
  5. Step 5: Solve for x
    x = 9,339,580,078.56/102,733.20
  6. Step 6: Final answer
    x = 90,911.02

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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.