Home / 82,570.46-113,982.03-55,749.26

Finding the Fourth Proportional to 82,570.46, 113,982.03 and 55,749.26

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Solution

The fourth proportional to 82,570.46, 113,982.03 and 55,749.26 is: 76,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,570.46 : 113,982.03 = 55,749.26 : x
  2. Step 2: Convert to fraction form
    82,570.46/113,982.03 = 55,749.26/x
  3. Step 3: Cross multiply
    82,570.46x = 113,982.03 × 55,749.26
  4. Step 4: Simplify right side
    82,570.46x = 6,354,413,825.80
  5. Step 5: Solve for x
    x = 6,354,413,825.80/82,570.46
  6. Step 6: Final answer
    x = 76,957.47

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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.