Home / 68,336.96-102,543.72-28,923.58

Finding the Fourth Proportional to 68,336.96, 102,543.72 and 28,923.58

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Solution

The fourth proportional to 68,336.96, 102,543.72 and 28,923.58 is: 43,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336.96 : 102,543.72 = 28,923.58 : x
  2. Step 2: Convert to fraction form
    68,336.96/102,543.72 = 28,923.58/x
  3. Step 3: Cross multiply
    68,336.96x = 102,543.72 × 28,923.58
  4. Step 4: Simplify right side
    68,336.96x = 2,965,930,831.58
  5. Step 5: Solve for x
    x = 2,965,930,831.58/68,336.96
  6. Step 6: Final answer
    x = 43,401.56

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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.