Home / 86,199.55-118,969.52-50,382.56

Finding the Fourth Proportional to 86,199.55, 118,969.52 and 50,382.56

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Solution

The fourth proportional to 86,199.55, 118,969.52 and 50,382.56 is: 69,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,199.55 : 118,969.52 = 50,382.56 : x
  2. Step 2: Convert to fraction form
    86,199.55/118,969.52 = 50,382.56/x
  3. Step 3: Cross multiply
    86,199.55x = 118,969.52 × 50,382.56
  4. Step 4: Simplify right side
    86,199.55x = 5,993,988,979.57
  5. Step 5: Solve for x
    x = 5,993,988,979.57/86,199.55
  6. Step 6: Final answer
    x = 69,536.20

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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.