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Finding the Fourth Proportional to 69,738.98, 96,240.44 and 37,907.96

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Solution

The fourth proportional to 69,738.98, 96,240.44 and 37,907.96 is: 52,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,738.98 : 96,240.44 = 37,907.96 : x
  2. Step 2: Convert to fraction form
    69,738.98/96,240.44 = 37,907.96/x
  3. Step 3: Cross multiply
    69,738.98x = 96,240.44 × 37,907.96
  4. Step 4: Simplify right side
    69,738.98x = 3,648,278,749.90
  5. Step 5: Solve for x
    x = 3,648,278,749.90/69,738.98
  6. Step 6: Final answer
    x = 52,313.34

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1.5x scale

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.