Home / 104,038.56-143,557.82-63,181.44

Finding the Fourth Proportional to 104,038.56, 143,557.82 and 63,181.44

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Solution

The fourth proportional to 104,038.56, 143,557.82 and 63,181.44 is: 87,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.56 : 143,557.82 = 63,181.44 : x
  2. Step 2: Convert to fraction form
    104,038.56/143,557.82 = 63,181.44/x
  3. Step 3: Cross multiply
    104,038.56x = 143,557.82 × 63,181.44
  4. Step 4: Simplify right side
    104,038.56x = 9,070,189,474.95
  5. Step 5: Solve for x
    x = 9,070,189,474.95/104,038.56
  6. Step 6: Final answer
    x = 87,181.04

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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.