Home / 85,156.44-117,515.91-49,367.23

Finding the Fourth Proportional to 85,156.44, 117,515.91 and 49,367.23

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Solution

The fourth proportional to 85,156.44, 117,515.91 and 49,367.23 is: 68,126.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156.44 : 117,515.91 = 49,367.23 : x
  2. Step 2: Convert to fraction form
    85,156.44/117,515.91 = 49,367.23/x
  3. Step 3: Cross multiply
    85,156.44x = 117,515.91 × 49,367.23
  4. Step 4: Simplify right side
    85,156.44x = 5,801,434,957.63
  5. Step 5: Solve for x
    x = 5,801,434,957.63/85,156.44
  6. Step 6: Final answer
    x = 68,126.79

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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.