Home / 104,742.10-144,542.88-56,994.62

Finding the Fourth Proportional to 104,742.10, 144,542.88 and 56,994.62

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Solution

The fourth proportional to 104,742.10, 144,542.88 and 56,994.62 is: 78,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,742.10 : 144,542.88 = 56,994.62 : x
  2. Step 2: Convert to fraction form
    104,742.10/144,542.88 = 56,994.62/x
  3. Step 3: Cross multiply
    104,742.10x = 144,542.88 × 56,994.62
  4. Step 4: Simplify right side
    104,742.10x = 8,238,166,234.33
  5. Step 5: Solve for x
    x = 8,238,166,234.33/104,742.10
  6. Step 6: Final answer
    x = 78,651.91

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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.