Home / 104,723.65-144,519.27-56,977.35

Finding the Fourth Proportional to 104,723.65, 144,519.27 and 56,977.35

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Solution

The fourth proportional to 104,723.65, 144,519.27 and 56,977.35 is: 78,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,723.65 : 144,519.27 = 56,977.35 : x
  2. Step 2: Convert to fraction form
    104,723.65/144,519.27 = 56,977.35/x
  3. Step 3: Cross multiply
    104,723.65x = 144,519.27 × 56,977.35
  4. Step 4: Simplify right side
    104,723.65x = 8,234,325,028.53
  5. Step 5: Solve for x
    x = 8,234,325,028.53/104,723.65
  6. Step 6: Final answer
    x = 78,629.09

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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.