Home / 69,105.29-103,592.25-27,012.35

Finding the Fourth Proportional to 69,105.29, 103,592.25 and 27,012.35

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Solution

The fourth proportional to 69,105.29, 103,592.25 and 27,012.35 is: 40,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,105.29 : 103,592.25 = 27,012.35 : x
  2. Step 2: Convert to fraction form
    69,105.29/103,592.25 = 27,012.35/x
  3. Step 3: Cross multiply
    69,105.29x = 103,592.25 × 27,012.35
  4. Step 4: Simplify right side
    69,105.29x = 2,798,270,373.27
  5. Step 5: Solve for x
    x = 2,798,270,373.27/69,105.29
  6. Step 6: Final answer
    x = 40,492.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.