Home / 116,845.56-161,246.94-63,130.56

Finding the Fourth Proportional to 116,845.56, 161,246.94 and 63,130.56

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Solution

The fourth proportional to 116,845.56, 161,246.94 and 63,130.56 is: 87,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,845.56 : 161,246.94 = 63,130.56 : x
  2. Step 2: Convert to fraction form
    116,845.56/161,246.94 = 63,130.56/x
  3. Step 3: Cross multiply
    116,845.56x = 161,246.94 × 63,130.56
  4. Step 4: Simplify right side
    116,845.56x = 10,179,609,620.49
  5. Step 5: Solve for x
    x = 10,179,609,620.49/116,845.56
  6. Step 6: Final answer
    x = 87,120.21

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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.