Home / 85,975.72-118,650.19-47,735.27

Finding the Fourth Proportional to 85,975.72, 118,650.19 and 47,735.27

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Solution

The fourth proportional to 85,975.72, 118,650.19 and 47,735.27 is: 65,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,975.72 : 118,650.19 = 47,735.27 : x
  2. Step 2: Convert to fraction form
    85,975.72/118,650.19 = 47,735.27/x
  3. Step 3: Cross multiply
    85,975.72x = 118,650.19 × 47,735.27
  4. Step 4: Simplify right side
    85,975.72x = 5,663,798,544.73
  5. Step 5: Solve for x
    x = 5,663,798,544.73/85,975.72
  6. Step 6: Final answer
    x = 65,876.72

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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.