Home / 76,033.44-113,940-52,316.64

Finding the Fourth Proportional to 76,033.44, 113,940 and 52,316.64

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Solution

The fourth proportional to 76,033.44, 113,940 and 52,316.64 is: 78,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,033.44 : 113,940 = 52,316.64 : x
  2. Step 2: Convert to fraction form
    76,033.44/113,940 = 52,316.64/x
  3. Step 3: Cross multiply
    76,033.44x = 113,940 × 52,316.64
  4. Step 4: Simplify right side
    76,033.44x = 5,960,957,961.60
  5. Step 5: Solve for x
    x = 5,960,957,961.60/76,033.44
  6. Step 6: Final answer
    x = 78,399.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.