Home / 116,817.57-161,208.14-63,102.57

Finding the Fourth Proportional to 116,817.57, 161,208.14 and 63,102.57

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Solution

The fourth proportional to 116,817.57, 161,208.14 and 63,102.57 is: 87,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,817.57 : 161,208.14 = 63,102.57 : x
  2. Step 2: Convert to fraction form
    116,817.57/161,208.14 = 63,102.57/x
  3. Step 3: Cross multiply
    116,817.57x = 161,208.14 × 63,102.57
  4. Step 4: Simplify right side
    116,817.57x = 10,172,647,938.92
  5. Step 5: Solve for x
    x = 10,172,647,938.92/116,817.57
  6. Step 6: Final answer
    x = 87,081.49

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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.