Home / 93,161.08-139,809.30-69,850.36

Finding the Fourth Proportional to 93,161.08, 139,809.30 and 69,850.36

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Solution

The fourth proportional to 93,161.08, 139,809.30 and 69,850.36 is: 104,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,161.08 : 139,809.30 = 69,850.36 : x
  2. Step 2: Convert to fraction form
    93,161.08/139,809.30 = 69,850.36/x
  3. Step 3: Cross multiply
    93,161.08x = 139,809.30 × 69,850.36
  4. Step 4: Simplify right side
    93,161.08x = 9,765,729,936.35
  5. Step 5: Solve for x
    x = 9,765,729,936.35/93,161.08
  6. Step 6: Final answer
    x = 104,826.29

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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.