Home / 109,885.14-164,895.39-43,313.94

Finding the Fourth Proportional to 109,885.14, 164,895.39 and 43,313.94

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Solution

The fourth proportional to 109,885.14, 164,895.39 and 43,313.94 is: 64,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,885.14 : 164,895.39 = 43,313.94 : x
  2. Step 2: Convert to fraction form
    109,885.14/164,895.39 = 43,313.94/x
  3. Step 3: Cross multiply
    109,885.14x = 164,895.39 × 43,313.94
  4. Step 4: Simplify right side
    109,885.14x = 7,142,269,028.74
  5. Step 5: Solve for x
    x = 7,142,269,028.74/109,885.14
  6. Step 6: Final answer
    x = 64,997.59

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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.