Home / 85,847.69-118,470.17-48,121.94

Finding the Fourth Proportional to 85,847.69, 118,470.17 and 48,121.94

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Solution

The fourth proportional to 85,847.69, 118,470.17 and 48,121.94 is: 66,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,847.69 : 118,470.17 = 48,121.94 : x
  2. Step 2: Convert to fraction form
    85,847.69/118,470.17 = 48,121.94/x
  3. Step 3: Cross multiply
    85,847.69x = 118,470.17 × 48,121.94
  4. Step 4: Simplify right side
    85,847.69x = 5,701,014,829.01
  5. Step 5: Solve for x
    x = 5,701,014,829.01/85,847.69
  6. Step 6: Final answer
    x = 66,408.48

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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.