Home / 76,087.98-104,937.66-57,012.54

Finding the Fourth Proportional to 76,087.98, 104,937.66 and 57,012.54

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Solution

The fourth proportional to 76,087.98, 104,937.66 and 57,012.54 is: 78,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,087.98 : 104,937.66 = 57,012.54 : x
  2. Step 2: Convert to fraction form
    76,087.98/104,937.66 = 57,012.54/x
  3. Step 3: Cross multiply
    76,087.98x = 104,937.66 × 57,012.54
  4. Step 4: Simplify right side
    76,087.98x = 5,982,762,538.26
  5. Step 5: Solve for x
    x = 5,982,762,538.26/76,087.98
  6. Step 6: Final answer
    x = 78,629.54

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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.