Home / 104,948.82-144,831.02-57,202.11

Finding the Fourth Proportional to 104,948.82, 144,831.02 and 57,202.11

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Solution

The fourth proportional to 104,948.82, 144,831.02 and 57,202.11 is: 78,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,948.82 : 144,831.02 = 57,202.11 : x
  2. Step 2: Convert to fraction form
    104,948.82/144,831.02 = 57,202.11/x
  3. Step 3: Cross multiply
    104,948.82x = 144,831.02 × 57,202.11
  4. Step 4: Simplify right side
    104,948.82x = 8,284,639,651.44
  5. Step 5: Solve for x
    x = 8,284,639,651.44/104,948.82
  6. Step 6: Final answer
    x = 78,939.81

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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.