Home / 76,040.75-104,936.24-42,506.75

Finding the Fourth Proportional to 76,040.75, 104,936.24 and 42,506.75

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Solution

The fourth proportional to 76,040.75, 104,936.24 and 42,506.75 is: 58,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,040.75 : 104,936.24 = 42,506.75 : x
  2. Step 2: Convert to fraction form
    76,040.75/104,936.24 = 42,506.75/x
  3. Step 3: Cross multiply
    76,040.75x = 104,936.24 × 42,506.75
  4. Step 4: Simplify right side
    76,040.75x = 4,460,498,519.62
  5. Step 5: Solve for x
    x = 4,460,498,519.62/76,040.75
  6. Step 6: Final answer
    x = 58,659.32

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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.