Home / 104,667.11-144,439.25-56,919.43

Finding the Fourth Proportional to 104,667.11, 144,439.25 and 56,919.43

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Solution

The fourth proportional to 104,667.11, 144,439.25 and 56,919.43 is: 78,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,667.11 : 144,439.25 = 56,919.43 : x
  2. Step 2: Convert to fraction form
    104,667.11/144,439.25 = 56,919.43/x
  3. Step 3: Cross multiply
    104,667.11x = 144,439.25 × 56,919.43
  4. Step 4: Simplify right side
    104,667.11x = 8,221,399,133.93
  5. Step 5: Solve for x
    x = 8,221,399,133.93/104,667.11
  6. Step 6: Final answer
    x = 78,548.07

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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.