Home / 104,626.23-144,385.11-56,879.61

Finding the Fourth Proportional to 104,626.23, 144,385.11 and 56,879.61

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Solution

The fourth proportional to 104,626.23, 144,385.11 and 56,879.61 is: 78,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,626.23 : 144,385.11 = 56,879.61 : x
  2. Step 2: Convert to fraction form
    104,626.23/144,385.11 = 56,879.61/x
  3. Step 3: Cross multiply
    104,626.23x = 144,385.11 × 56,879.61
  4. Step 4: Simplify right side
    104,626.23x = 8,212,568,746.61
  5. Step 5: Solve for x
    x = 8,212,568,746.61/104,626.23
  6. Step 6: Final answer
    x = 78,494.36

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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.