Home / 69,272.50-103,947.68-37,684.78

Finding the Fourth Proportional to 69,272.50, 103,947.68 and 37,684.78

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Solution

The fourth proportional to 69,272.50, 103,947.68 and 37,684.78 is: 56,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,272.50 : 103,947.68 = 37,684.78 : x
  2. Step 2: Convert to fraction form
    69,272.50/103,947.68 = 37,684.78/x
  3. Step 3: Cross multiply
    69,272.50x = 103,947.68 × 37,684.78
  4. Step 4: Simplify right side
    69,272.50x = 3,917,245,026.78
  5. Step 5: Solve for x
    x = 3,917,245,026.78/69,272.50
  6. Step 6: Final answer
    x = 56,548.34

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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.