Home / 116,702.20-161,072.85-75,917.26

Finding the Fourth Proportional to 116,702.20, 161,072.85 and 75,917.26

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Solution

The fourth proportional to 116,702.20, 161,072.85 and 75,917.26 is: 104,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,702.20 : 161,072.85 = 75,917.26 : x
  2. Step 2: Convert to fraction form
    116,702.20/161,072.85 = 75,917.26/x
  3. Step 3: Cross multiply
    116,702.20x = 161,072.85 × 75,917.26
  4. Step 4: Simplify right side
    116,702.20x = 12,228,209,432.39
  5. Step 5: Solve for x
    x = 12,228,209,432.39/116,702.20
  6. Step 6: Final answer
    x = 104,781.31

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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.