Home / 82,576.96-113,991.06-55,755.76

Finding the Fourth Proportional to 82,576.96, 113,991.06 and 55,755.76

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Solution

The fourth proportional to 82,576.96, 113,991.06 and 55,755.76 is: 76,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,576.96 : 113,991.06 = 55,755.76 : x
  2. Step 2: Convert to fraction form
    82,576.96/113,991.06 = 55,755.76/x
  3. Step 3: Cross multiply
    82,576.96x = 113,991.06 × 55,755.76
  4. Step 4: Simplify right side
    82,576.96x = 6,355,658,183.51
  5. Step 5: Solve for x
    x = 6,355,658,183.51/82,576.96
  6. Step 6: Final answer
    x = 76,966.48

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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.