Home / 119,395.72-164,747.82-69,085

Finding the Fourth Proportional to 119,395.72, 164,747.82 and 69,085

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Solution

The fourth proportional to 119,395.72, 164,747.82 and 69,085 is: 95,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,395.72 : 164,747.82 = 69,085 : x
  2. Step 2: Convert to fraction form
    119,395.72/164,747.82 = 69,085/x
  3. Step 3: Cross multiply
    119,395.72x = 164,747.82 × 69,085
  4. Step 4: Simplify right side
    119,395.72x = 11,381,603,144.70
  5. Step 5: Solve for x
    x = 11,381,603,144.70/119,395.72
  6. Step 6: Final answer
    x = 95,326.73

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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.