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Finding the Fourth Proportional to 62,698.44, 86,635.96 and 46,630.64

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Solution

The fourth proportional to 62,698.44, 86,635.96 and 46,630.64 is: 64,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,698.44 : 86,635.96 = 46,630.64 : x
  2. Step 2: Convert to fraction form
    62,698.44/86,635.96 = 46,630.64/x
  3. Step 3: Cross multiply
    62,698.44x = 86,635.96 × 46,630.64
  4. Step 4: Simplify right side
    62,698.44x = 4,039,890,261.81
  5. Step 5: Solve for x
    x = 4,039,890,261.81/62,698.44
  6. Step 6: Final answer
    x = 64,433.66

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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.