Home / 85,243.56-117,613.04-48,449.27

Finding the Fourth Proportional to 85,243.56, 117,613.04 and 48,449.27

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Solution

The fourth proportional to 85,243.56, 117,613.04 and 48,449.27 is: 66,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,243.56 : 117,613.04 = 48,449.27 : x
  2. Step 2: Convert to fraction form
    85,243.56/117,613.04 = 48,449.27/x
  3. Step 3: Cross multiply
    85,243.56x = 117,613.04 × 48,449.27
  4. Step 4: Simplify right side
    85,243.56x = 5,698,265,100.17
  5. Step 5: Solve for x
    x = 5,698,265,100.17/85,243.56
  6. Step 6: Final answer
    x = 66,846.87

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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.