Home / 104,623.62-144,380.24-56,876.64

Finding the Fourth Proportional to 104,623.62, 144,380.24 and 56,876.64

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Solution

The fourth proportional to 104,623.62, 144,380.24 and 56,876.64 is: 78,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,623.62 : 144,380.24 = 56,876.64 : x
  2. Step 2: Convert to fraction form
    104,623.62/144,380.24 = 56,876.64/x
  3. Step 3: Cross multiply
    104,623.62x = 144,380.24 × 56,876.64
  4. Step 4: Simplify right side
    104,623.62x = 8,211,862,933.59
  5. Step 5: Solve for x
    x = 8,211,862,933.59/104,623.62
  6. Step 6: Final answer
    x = 78,489.57

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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.