Home / 74,653.26-103,003.83-42,380.88

Finding the Fourth Proportional to 74,653.26, 103,003.83 and 42,380.88

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Solution

The fourth proportional to 74,653.26, 103,003.83 and 42,380.88 is: 58,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,653.26 : 103,003.83 = 42,380.88 : x
  2. Step 2: Convert to fraction form
    74,653.26/103,003.83 = 42,380.88/x
  3. Step 3: Cross multiply
    74,653.26x = 103,003.83 × 42,380.88
  4. Step 4: Simplify right side
    74,653.26x = 4,365,392,958.77
  5. Step 5: Solve for x
    x = 4,365,392,958.77/74,653.26
  6. Step 6: Final answer
    x = 58,475.58

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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.