Home / 86,211.13-118,953.51-50,394.21

Finding the Fourth Proportional to 86,211.13, 118,953.51 and 50,394.21

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Solution

The fourth proportional to 86,211.13, 118,953.51 and 50,394.21 is: 69,533.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,211.13 : 118,953.51 = 50,394.21 : x
  2. Step 2: Convert to fraction form
    86,211.13/118,953.51 = 50,394.21/x
  3. Step 3: Cross multiply
    86,211.13x = 118,953.51 × 50,394.21
  4. Step 4: Simplify right side
    86,211.13x = 5,994,568,163.18
  5. Step 5: Solve for x
    x = 5,994,568,163.18/86,211.13
  6. Step 6: Final answer
    x = 69,533.58

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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.