Home / 101,974.36-140,775.78-63,755.14

Finding the Fourth Proportional to 101,974.36, 140,775.78 and 63,755.14

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Solution

The fourth proportional to 101,974.36, 140,775.78 and 63,755.14 is: 88,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,974.36 : 140,775.78 = 63,755.14 : x
  2. Step 2: Convert to fraction form
    101,974.36/140,775.78 = 63,755.14/x
  3. Step 3: Cross multiply
    101,974.36x = 140,775.78 × 63,755.14
  4. Step 4: Simplify right side
    101,974.36x = 8,975,179,562.51
  5. Step 5: Solve for x
    x = 8,975,179,562.51/101,974.36
  6. Step 6: Final answer
    x = 88,014.08

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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.