Home / 104,621.65-144,379.13-56,873.97

Finding the Fourth Proportional to 104,621.65, 144,379.13 and 56,873.97

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Solution

The fourth proportional to 104,621.65, 144,379.13 and 56,873.97 is: 78,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.65 : 144,379.13 = 56,873.97 : x
  2. Step 2: Convert to fraction form
    104,621.65/144,379.13 = 56,873.97/x
  3. Step 3: Cross multiply
    104,621.65x = 144,379.13 × 56,873.97
  4. Step 4: Simplify right side
    104,621.65x = 8,211,414,023.88
  5. Step 5: Solve for x
    x = 8,211,414,023.88/104,621.65
  6. Step 6: Final answer
    x = 78,486.76

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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.