Home / 82,467.84-113,730.48-69,747.69

Finding the Fourth Proportional to 82,467.84, 113,730.48 and 69,747.69

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Solution

The fourth proportional to 82,467.84, 113,730.48 and 69,747.69 is: 96,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,467.84 : 113,730.48 = 69,747.69 : x
  2. Step 2: Convert to fraction form
    82,467.84/113,730.48 = 69,747.69/x
  3. Step 3: Cross multiply
    82,467.84x = 113,730.48 × 69,747.69
  4. Step 4: Simplify right side
    82,467.84x = 7,932,438,262.59
  5. Step 5: Solve for x
    x = 7,932,438,262.59/82,467.84
  6. Step 6: Final answer
    x = 96,188.26

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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.