Home / 93,291.36-139,982.03-45,880.73

Finding the Fourth Proportional to 93,291.36, 139,982.03 and 45,880.73

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Solution

The fourth proportional to 93,291.36, 139,982.03 and 45,880.73 is: 68,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,291.36 : 139,982.03 = 45,880.73 : x
  2. Step 2: Convert to fraction form
    93,291.36/139,982.03 = 45,880.73/x
  3. Step 3: Cross multiply
    93,291.36x = 139,982.03 × 45,880.73
  4. Step 4: Simplify right side
    93,291.36x = 6,422,477,723.28
  5. Step 5: Solve for x
    x = 6,422,477,723.28/93,291.36
  6. Step 6: Final answer
    x = 68,843.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.