Home / 116,996.42-161,455.07-63,281.44

Finding the Fourth Proportional to 116,996.42, 161,455.07 and 63,281.44

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Solution

The fourth proportional to 116,996.42, 161,455.07 and 63,281.44 is: 87,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,996.42 : 161,455.07 = 63,281.44 : x
  2. Step 2: Convert to fraction form
    116,996.42/161,455.07 = 63,281.44/x
  3. Step 3: Cross multiply
    116,996.42x = 161,455.07 × 63,281.44
  4. Step 4: Simplify right side
    116,996.42x = 10,217,109,324.90
  5. Step 5: Solve for x
    x = 10,217,109,324.90/116,996.42
  6. Step 6: Final answer
    x = 87,328.39

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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.