Home / 104,474.82-144,175.35-56,728.15

Finding the Fourth Proportional to 104,474.82, 144,175.35 and 56,728.15

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Solution

The fourth proportional to 104,474.82, 144,175.35 and 56,728.15 is: 78,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,474.82 : 144,175.35 = 56,728.15 : x
  2. Step 2: Convert to fraction form
    104,474.82/144,175.35 = 56,728.15/x
  3. Step 3: Cross multiply
    104,474.82x = 144,175.35 × 56,728.15
  4. Step 4: Simplify right side
    104,474.82x = 8,178,800,881.10
  5. Step 5: Solve for x
    x = 8,178,800,881.10/104,474.82
  6. Step 6: Final answer
    x = 78,284.90

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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.