Home / 111,104.46-153,324.05-62,716.57

Finding the Fourth Proportional to 111,104.46, 153,324.05 and 62,716.57

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Solution

The fourth proportional to 111,104.46, 153,324.05 and 62,716.57 is: 86,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,104.46 : 153,324.05 = 62,716.57 : x
  2. Step 2: Convert to fraction form
    111,104.46/153,324.05 = 62,716.57/x
  3. Step 3: Cross multiply
    111,104.46x = 153,324.05 × 62,716.57
  4. Step 4: Simplify right side
    111,104.46x = 9,615,958,514.51
  5. Step 5: Solve for x
    x = 9,615,958,514.51/111,104.46
  6. Step 6: Final answer
    x = 86,548.81

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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.