Home / 69,135.70-103,636.14-37,517.17

Finding the Fourth Proportional to 69,135.70, 103,636.14 and 37,517.17

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Solution

The fourth proportional to 69,135.70, 103,636.14 and 37,517.17 is: 56,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.70 : 103,636.14 = 37,517.17 : x
  2. Step 2: Convert to fraction form
    69,135.70/103,636.14 = 37,517.17/x
  3. Step 3: Cross multiply
    69,135.70x = 103,636.14 × 37,517.17
  4. Step 4: Simplify right side
    69,135.70x = 3,888,134,682.52
  5. Step 5: Solve for x
    x = 3,888,134,682.52/69,135.70
  6. Step 6: Final answer
    x = 56,239.17

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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.