Home / 86,007.39-118,686.26-47,769.38

Finding the Fourth Proportional to 86,007.39, 118,686.26 and 47,769.38

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Solution

The fourth proportional to 86,007.39, 118,686.26 and 47,769.38 is: 65,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,007.39 : 118,686.26 = 47,769.38 : x
  2. Step 2: Convert to fraction form
    86,007.39/118,686.26 = 47,769.38/x
  3. Step 3: Cross multiply
    86,007.39x = 118,686.26 × 47,769.38
  4. Step 4: Simplify right side
    86,007.39x = 5,669,568,815.87
  5. Step 5: Solve for x
    x = 5,669,568,815.87/86,007.39
  6. Step 6: Final answer
    x = 65,919.55

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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.