Home / 85,668.08-118,224.32-47,942.33

Finding the Fourth Proportional to 85,668.08, 118,224.32 and 47,942.33

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Solution

The fourth proportional to 85,668.08, 118,224.32 and 47,942.33 is: 66,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,668.08 : 118,224.32 = 47,942.33 : x
  2. Step 2: Convert to fraction form
    85,668.08/118,224.32 = 47,942.33/x
  3. Step 3: Cross multiply
    85,668.08x = 118,224.32 × 47,942.33
  4. Step 4: Simplify right side
    85,668.08x = 5,667,948,532.63
  5. Step 5: Solve for x
    x = 5,667,948,532.63/85,668.08
  6. Step 6: Final answer
    x = 66,161.74

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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.