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Finding the Fourth Proportional to 69,393.82, 95,809.72 and 46,766.46

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Solution

The fourth proportional to 69,393.82, 95,809.72 and 46,766.46 is: 64,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,393.82 : 95,809.72 = 46,766.46 : x
  2. Step 2: Convert to fraction form
    69,393.82/95,809.72 = 46,766.46/x
  3. Step 3: Cross multiply
    69,393.82x = 95,809.72 × 46,766.46
  4. Step 4: Simplify right side
    69,393.82x = 4,480,681,437.99
  5. Step 5: Solve for x
    x = 4,480,681,437.99/69,393.82
  6. Step 6: Final answer
    x = 64,568.88

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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.