Home / 89,815.26-123,946.02-49,530.72

Finding the Fourth Proportional to 89,815.26, 123,946.02 and 49,530.72

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Solution

The fourth proportional to 89,815.26, 123,946.02 and 49,530.72 is: 68,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,815.26 : 123,946.02 = 49,530.72 : x
  2. Step 2: Convert to fraction form
    89,815.26/123,946.02 = 49,530.72/x
  3. Step 3: Cross multiply
    89,815.26x = 123,946.02 × 49,530.72
  4. Step 4: Simplify right side
    89,815.26x = 6,139,135,611.73
  5. Step 5: Solve for x
    x = 6,139,135,611.73/89,815.26
  6. Step 6: Final answer
    x = 68,352.92

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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.