Home / 85,971.67-118,640.97-48,245.92

Finding the Fourth Proportional to 85,971.67, 118,640.97 and 48,245.92

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Solution

The fourth proportional to 85,971.67, 118,640.97 and 48,245.92 is: 66,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,971.67 : 118,640.97 = 48,245.92 : x
  2. Step 2: Convert to fraction form
    85,971.67/118,640.97 = 48,245.92/x
  3. Step 3: Cross multiply
    85,971.67x = 118,640.97 × 48,245.92
  4. Step 4: Simplify right side
    85,971.67x = 5,723,942,747.34
  5. Step 5: Solve for x
    x = 5,723,942,747.34/85,971.67
  6. Step 6: Final answer
    x = 66,579.41

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1.5x scale

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.