Home / 107,625.88-161,380.19-69,670.04

Finding the Fourth Proportional to 107,625.88, 161,380.19 and 69,670.04

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Solution

The fourth proportional to 107,625.88, 161,380.19 and 69,670.04 is: 104,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,625.88 : 161,380.19 = 69,670.04 : x
  2. Step 2: Convert to fraction form
    107,625.88/161,380.19 = 69,670.04/x
  3. Step 3: Cross multiply
    107,625.88x = 161,380.19 × 69,670.04
  4. Step 4: Simplify right side
    107,625.88x = 11,243,364,870.13
  5. Step 5: Solve for x
    x = 11,243,364,870.13/107,625.88
  6. Step 6: Final answer
    x = 104,467.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.