Home / 104,616.11-144,439.71-80,373.87

Finding the Fourth Proportional to 104,616.11, 144,439.71 and 80,373.87

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Solution

The fourth proportional to 104,616.11, 144,439.71 and 80,373.87 is: 110,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,616.11 : 144,439.71 = 80,373.87 : x
  2. Step 2: Convert to fraction form
    104,616.11/144,439.71 = 80,373.87/x
  3. Step 3: Cross multiply
    104,616.11x = 144,439.71 × 80,373.87
  4. Step 4: Simplify right side
    104,616.11x = 11,609,178,172.98
  5. Step 5: Solve for x
    x = 11,609,178,172.98/104,616.11
  6. Step 6: Final answer
    x = 110,969.32

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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.