Home / 77,576.22-107,021.44-48,878.46

Finding the Fourth Proportional to 77,576.22, 107,021.44 and 48,878.46

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Solution

The fourth proportional to 77,576.22, 107,021.44 and 48,878.46 is: 67,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,576.22 : 107,021.44 = 48,878.46 : x
  2. Step 2: Convert to fraction form
    77,576.22/107,021.44 = 48,878.46/x
  3. Step 3: Cross multiply
    77,576.22x = 107,021.44 × 48,878.46
  4. Step 4: Simplify right side
    77,576.22x = 5,231,042,394.68
  5. Step 5: Solve for x
    x = 5,231,042,394.68/77,576.22
  6. Step 6: Final answer
    x = 67,431.01

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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.