Home / 82,932.21-124,215.96-68,537.54

Finding the Fourth Proportional to 82,932.21, 124,215.96 and 68,537.54

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Solution

The fourth proportional to 82,932.21, 124,215.96 and 68,537.54 is: 102,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,932.21 : 124,215.96 = 68,537.54 : x
  2. Step 2: Convert to fraction form
    82,932.21/124,215.96 = 68,537.54/x
  3. Step 3: Cross multiply
    82,932.21x = 124,215.96 × 68,537.54
  4. Step 4: Simplify right side
    82,932.21x = 8,513,455,706.06
  5. Step 5: Solve for x
    x = 8,513,455,706.06/82,932.21
  6. Step 6: Final answer
    x = 102,655.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.