Home / 116,787.26-161,166.60-66,486.26

Finding the Fourth Proportional to 116,787.26, 161,166.60 and 66,486.26

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Solution

The fourth proportional to 116,787.26, 161,166.60 and 66,486.26 is: 91,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,787.26 : 161,166.60 = 66,486.26 : x
  2. Step 2: Convert to fraction form
    116,787.26/161,166.60 = 66,486.26/x
  3. Step 3: Cross multiply
    116,787.26x = 161,166.60 × 66,486.26
  4. Step 4: Simplify right side
    116,787.26x = 10,715,364,470.92
  5. Step 5: Solve for x
    x = 10,715,364,470.92/116,787.26
  6. Step 6: Final answer
    x = 91,751.14

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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.