Home / 85,519.25-118,020.21-47,793.50

Finding the Fourth Proportional to 85,519.25, 118,020.21 and 47,793.50

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Solution

The fourth proportional to 85,519.25, 118,020.21 and 47,793.50 is: 65,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,519.25 : 118,020.21 = 47,793.50 : x
  2. Step 2: Convert to fraction form
    85,519.25/118,020.21 = 47,793.50/x
  3. Step 3: Cross multiply
    85,519.25x = 118,020.21 × 47,793.50
  4. Step 4: Simplify right side
    85,519.25x = 5,640,598,906.64
  5. Step 5: Solve for x
    x = 5,640,598,906.64/85,519.25
  6. Step 6: Final answer
    x = 65,957.07

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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.