Home / 77,160.04-115,750.82-23,856.37

Finding the Fourth Proportional to 77,160.04, 115,750.82 and 23,856.37

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Solution

The fourth proportional to 77,160.04, 115,750.82 and 23,856.37 is: 35,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,160.04 : 115,750.82 = 23,856.37 : x
  2. Step 2: Convert to fraction form
    77,160.04/115,750.82 = 23,856.37/x
  3. Step 3: Cross multiply
    77,160.04x = 115,750.82 × 23,856.37
  4. Step 4: Simplify right side
    77,160.04x = 2,761,394,811.09
  5. Step 5: Solve for x
    x = 2,761,394,811.09/77,160.04
  6. Step 6: Final answer
    x = 35,787.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.