Home / 117,059.10-161,542.54-68,689.96

Finding the Fourth Proportional to 117,059.10, 161,542.54 and 68,689.96

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Solution

The fourth proportional to 117,059.10, 161,542.54 and 68,689.96 is: 94,792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,059.10 : 161,542.54 = 68,689.96 : x
  2. Step 2: Convert to fraction form
    117,059.10/161,542.54 = 68,689.96/x
  3. Step 3: Cross multiply
    117,059.10x = 161,542.54 × 68,689.96
  4. Step 4: Simplify right side
    117,059.10x = 11,096,350,610.90
  5. Step 5: Solve for x
    x = 11,096,350,610.90/117,059.10
  6. Step 6: Final answer
    x = 94,792.72

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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.