Home / 104,623.23-144,380.97-56,876.61

Finding the Fourth Proportional to 104,623.23, 144,380.97 and 56,876.61

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Solution

The fourth proportional to 104,623.23, 144,380.97 and 56,876.61 is: 78,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,623.23 : 144,380.97 = 56,876.61 : x
  2. Step 2: Convert to fraction form
    104,623.23/144,380.97 = 56,876.61/x
  3. Step 3: Cross multiply
    104,623.23x = 144,380.97 × 56,876.61
  4. Step 4: Simplify right side
    104,623.23x = 8,211,900,122.11
  5. Step 5: Solve for x
    x = 8,211,900,122.11/104,623.23
  6. Step 6: Final answer
    x = 78,490.22

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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.