Home / 77,292.35-115,982.37-32,914.48

Finding the Fourth Proportional to 77,292.35, 115,982.37 and 32,914.48

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Solution

The fourth proportional to 77,292.35, 115,982.37 and 32,914.48 is: 49,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,292.35 : 115,982.37 = 32,914.48 : x
  2. Step 2: Convert to fraction form
    77,292.35/115,982.37 = 32,914.48/x
  3. Step 3: Cross multiply
    77,292.35x = 115,982.37 × 32,914.48
  4. Step 4: Simplify right side
    77,292.35x = 3,817,498,653.23
  5. Step 5: Solve for x
    x = 3,817,498,653.23/77,292.35
  6. Step 6: Final answer
    x = 49,390.38

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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.