Home / 76,835.76-115,252.46-46,858.80

Finding the Fourth Proportional to 76,835.76, 115,252.46 and 46,858.80

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Solution

The fourth proportional to 76,835.76, 115,252.46 and 46,858.80 is: 70,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,835.76 : 115,252.46 = 46,858.80 : x
  2. Step 2: Convert to fraction form
    76,835.76/115,252.46 = 46,858.80/x
  3. Step 3: Cross multiply
    76,835.76x = 115,252.46 × 46,858.80
  4. Step 4: Simplify right side
    76,835.76x = 5,400,591,972.65
  5. Step 5: Solve for x
    x = 5,400,591,972.65/76,835.76
  6. Step 6: Final answer
    x = 70,287.48

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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.