Home / 76,763.49-115,095.78-32,378.37

Finding the Fourth Proportional to 76,763.49, 115,095.78 and 32,378.37

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Solution

The fourth proportional to 76,763.49, 115,095.78 and 32,378.37 is: 48,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,763.49 : 115,095.78 = 32,378.37 : x
  2. Step 2: Convert to fraction form
    76,763.49/115,095.78 = 32,378.37/x
  3. Step 3: Cross multiply
    76,763.49x = 115,095.78 × 32,378.37
  4. Step 4: Simplify right side
    76,763.49x = 3,726,613,750.28
  5. Step 5: Solve for x
    x = 3,726,613,750.28/76,763.49
  6. Step 6: Final answer
    x = 48,546.70

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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.