Home / 76,996.65-115,287.33-50,276.46

Finding the Fourth Proportional to 76,996.65, 115,287.33 and 50,276.46

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Solution

The fourth proportional to 76,996.65, 115,287.33 and 50,276.46 is: 75,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,996.65 : 115,287.33 = 50,276.46 : x
  2. Step 2: Convert to fraction form
    76,996.65/115,287.33 = 50,276.46/x
  3. Step 3: Cross multiply
    76,996.65x = 115,287.33 × 50,276.46
  4. Step 4: Simplify right side
    76,996.65x = 5,796,238,835.25
  5. Step 5: Solve for x
    x = 5,796,238,835.25/76,996.65
  6. Step 6: Final answer
    x = 75,279.10

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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.