Home / 66,464.78-91,698.44-42,604.62

Finding the Fourth Proportional to 66,464.78, 91,698.44 and 42,604.62

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Solution

The fourth proportional to 66,464.78, 91,698.44 and 42,604.62 is: 58,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464.78 : 91,698.44 = 42,604.62 : x
  2. Step 2: Convert to fraction form
    66,464.78/91,698.44 = 42,604.62/x
  3. Step 3: Cross multiply
    66,464.78x = 91,698.44 × 42,604.62
  4. Step 4: Simplify right side
    66,464.78x = 3,906,777,190.79
  5. Step 5: Solve for x
    x = 3,906,777,190.79/66,464.78
  6. Step 6: Final answer
    x = 58,779.66

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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.