Home / 86,923.90-119,954.31-49,196.86

Finding the Fourth Proportional to 86,923.90, 119,954.31 and 49,196.86

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Solution

The fourth proportional to 86,923.90, 119,954.31 and 49,196.86 is: 67,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,923.90 : 119,954.31 = 49,196.86 : x
  2. Step 2: Convert to fraction form
    86,923.90/119,954.31 = 49,196.86/x
  3. Step 3: Cross multiply
    86,923.90x = 119,954.31 × 49,196.86
  4. Step 4: Simplify right side
    86,923.90x = 5,901,375,395.47
  5. Step 5: Solve for x
    x = 5,901,375,395.47/86,923.90
  6. Step 6: Final answer
    x = 67,891.29

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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.