Home / 69,133.36-103,539.20-67,241.04

Finding the Fourth Proportional to 69,133.36, 103,539.20 and 67,241.04

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Solution

The fourth proportional to 69,133.36, 103,539.20 and 67,241.04 is: 100,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,133.36 : 103,539.20 = 67,241.04 : x
  2. Step 2: Convert to fraction form
    69,133.36/103,539.20 = 67,241.04/x
  3. Step 3: Cross multiply
    69,133.36x = 103,539.20 × 67,241.04
  4. Step 4: Simplify right side
    69,133.36x = 6,962,083,488.77
  5. Step 5: Solve for x
    x = 6,962,083,488.77/69,133.36
  6. Step 6: Final answer
    x = 100,705.12

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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.