Home / 106,272.09-146,636.19-63,831.33

Finding the Fourth Proportional to 106,272.09, 146,636.19 and 63,831.33

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Solution

The fourth proportional to 106,272.09, 146,636.19 and 63,831.33 is: 88,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,272.09 : 146,636.19 = 63,831.33 : x
  2. Step 2: Convert to fraction form
    106,272.09/146,636.19 = 63,831.33/x
  3. Step 3: Cross multiply
    106,272.09x = 146,636.19 × 63,831.33
  4. Step 4: Simplify right side
    106,272.09x = 9,359,983,033.83
  5. Step 5: Solve for x
    x = 9,359,983,033.83/106,272.09
  6. Step 6: Final answer
    x = 88,075.65

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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.