Home / 86,949.44-119,989.60-49,223.36

Finding the Fourth Proportional to 86,949.44, 119,989.60 and 49,223.36

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Solution

The fourth proportional to 86,949.44, 119,989.60 and 49,223.36 is: 67,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,949.44 : 119,989.60 = 49,223.36 : x
  2. Step 2: Convert to fraction form
    86,949.44/119,989.60 = 49,223.36/x
  3. Step 3: Cross multiply
    86,949.44x = 119,989.60 × 49,223.36
  4. Step 4: Simplify right side
    86,949.44x = 5,906,291,277.06
  5. Step 5: Solve for x
    x = 5,906,291,277.06/86,949.44
  6. Step 6: Final answer
    x = 67,927.88

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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.