Home / 89,824.45-123,952-49,538.50

Finding the Fourth Proportional to 89,824.45, 123,952 and 49,538.50

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Solution

The fourth proportional to 89,824.45, 123,952 and 49,538.50 is: 68,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,824.45 : 123,952 = 49,538.50 : x
  2. Step 2: Convert to fraction form
    89,824.45/123,952 = 49,538.50/x
  3. Step 3: Cross multiply
    89,824.45x = 123,952 × 49,538.50
  4. Step 4: Simplify right side
    89,824.45x = 6,140,396,152
  5. Step 5: Solve for x
    x = 6,140,396,152/89,824.45
  6. Step 6: Final answer
    x = 68,359.96

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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.