Home / 116,954.69-161,396.75-63,239.81

Finding the Fourth Proportional to 116,954.69, 161,396.75 and 63,239.81

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Solution

The fourth proportional to 116,954.69, 161,396.75 and 63,239.81 is: 87,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,954.69 : 161,396.75 = 63,239.81 : x
  2. Step 2: Convert to fraction form
    116,954.69/161,396.75 = 63,239.81/x
  3. Step 3: Cross multiply
    116,954.69x = 161,396.75 × 63,239.81
  4. Step 4: Simplify right side
    116,954.69x = 10,206,699,488.42
  5. Step 5: Solve for x
    x = 10,206,699,488.42/116,954.69
  6. Step 6: Final answer
    x = 87,270.54

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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.