Home / 84,764.16-116,996.04-57,917.52

Finding the Fourth Proportional to 84,764.16, 116,996.04 and 57,917.52

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Solution

The fourth proportional to 84,764.16, 116,996.04 and 57,917.52 is: 79,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,764.16 : 116,996.04 = 57,917.52 : x
  2. Step 2: Convert to fraction form
    84,764.16/116,996.04 = 57,917.52/x
  3. Step 3: Cross multiply
    84,764.16x = 116,996.04 × 57,917.52
  4. Step 4: Simplify right side
    84,764.16x = 6,776,120,486.62
  5. Step 5: Solve for x
    x = 6,776,120,486.62/84,764.16
  6. Step 6: Final answer
    x = 79,940.87

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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.