Home / 74,539.26-102,863.39-40,548.42

Finding the Fourth Proportional to 74,539.26, 102,863.39 and 40,548.42

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Solution

The fourth proportional to 74,539.26, 102,863.39 and 40,548.42 is: 55,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,539.26 : 102,863.39 = 40,548.42 : x
  2. Step 2: Convert to fraction form
    74,539.26/102,863.39 = 40,548.42/x
  3. Step 3: Cross multiply
    74,539.26x = 102,863.39 × 40,548.42
  4. Step 4: Simplify right side
    74,539.26x = 4,170,947,737.60
  5. Step 5: Solve for x
    x = 4,170,947,737.60/74,539.26
  6. Step 6: Final answer
    x = 55,956.39

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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.