Home / 76,635.09-114,855.30-34,470.14

Finding the Fourth Proportional to 76,635.09, 114,855.30 and 34,470.14

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Solution

The fourth proportional to 76,635.09, 114,855.30 and 34,470.14 is: 51,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,635.09 : 114,855.30 = 34,470.14 : x
  2. Step 2: Convert to fraction form
    76,635.09/114,855.30 = 34,470.14/x
  3. Step 3: Cross multiply
    76,635.09x = 114,855.30 × 34,470.14
  4. Step 4: Simplify right side
    76,635.09x = 3,959,077,696.47
  5. Step 5: Solve for x
    x = 3,959,077,696.47/76,635.09
  6. Step 6: Final answer
    x = 51,661.42

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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.