Home / 103,796.66-143,249.96-63,537.02

Finding the Fourth Proportional to 103,796.66, 143,249.96 and 63,537.02

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Solution

The fourth proportional to 103,796.66, 143,249.96 and 63,537.02 is: 87,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,796.66 : 143,249.96 = 63,537.02 : x
  2. Step 2: Convert to fraction form
    103,796.66/143,249.96 = 63,537.02/x
  3. Step 3: Cross multiply
    103,796.66x = 143,249.96 × 63,537.02
  4. Step 4: Simplify right side
    103,796.66x = 9,101,676,090.49
  5. Step 5: Solve for x
    x = 9,101,676,090.49/103,796.66
  6. Step 6: Final answer
    x = 87,687.57

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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.