Home / 86,140.51-118,847.19-50,304.67

Finding the Fourth Proportional to 86,140.51, 118,847.19 and 50,304.67

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Solution

The fourth proportional to 86,140.51, 118,847.19 and 50,304.67 is: 69,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,140.51 : 118,847.19 = 50,304.67 : x
  2. Step 2: Convert to fraction form
    86,140.51/118,847.19 = 50,304.67/x
  3. Step 3: Cross multiply
    86,140.51x = 118,847.19 × 50,304.67
  4. Step 4: Simplify right side
    86,140.51x = 5,978,568,673.38
  5. Step 5: Solve for x
    x = 5,978,568,673.38/86,140.51
  6. Step 6: Final answer
    x = 69,404.84

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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.