Home / 77,519.58-106,977.75-43,982.94

Finding the Fourth Proportional to 77,519.58, 106,977.75 and 43,982.94

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Solution

The fourth proportional to 77,519.58, 106,977.75 and 43,982.94 is: 60,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,519.58 : 106,977.75 = 43,982.94 : x
  2. Step 2: Convert to fraction form
    77,519.58/106,977.75 = 43,982.94/x
  3. Step 3: Cross multiply
    77,519.58x = 106,977.75 × 43,982.94
  4. Step 4: Simplify right side
    77,519.58x = 4,705,195,959.59
  5. Step 5: Solve for x
    x = 4,705,195,959.59/77,519.58
  6. Step 6: Final answer
    x = 60,696.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.