Home / 82,485.41-123,447.65-50,915.39

Finding the Fourth Proportional to 82,485.41, 123,447.65 and 50,915.39

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Solution

The fourth proportional to 82,485.41, 123,447.65 and 50,915.39 is: 76,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,485.41 : 123,447.65 = 50,915.39 : x
  2. Step 2: Convert to fraction form
    82,485.41/123,447.65 = 50,915.39/x
  3. Step 3: Cross multiply
    82,485.41x = 123,447.65 × 50,915.39
  4. Step 4: Simplify right side
    82,485.41x = 6,285,384,372.52
  5. Step 5: Solve for x
    x = 6,285,384,372.52/82,485.41
  6. Step 6: Final answer
    x = 76,199.96

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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.