Home / 103,796.64-143,249.94-63,537.01

Finding the Fourth Proportional to 103,796.64, 143,249.94 and 63,537.01

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Solution

The fourth proportional to 103,796.64, 143,249.94 and 63,537.01 is: 87,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,796.64 : 143,249.94 = 63,537.01 : x
  2. Step 2: Convert to fraction form
    103,796.64/143,249.94 = 63,537.01/x
  3. Step 3: Cross multiply
    103,796.64x = 143,249.94 × 63,537.01
  4. Step 4: Simplify right side
    103,796.64x = 9,101,672,750.42
  5. Step 5: Solve for x
    x = 9,101,672,750.42/103,796.64
  6. Step 6: Final answer
    x = 87,687.55

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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.