Home / 69,426.41-104,139.96-16,835.90

Finding the Fourth Proportional to 69,426.41, 104,139.96 and 16,835.90

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Solution

The fourth proportional to 69,426.41, 104,139.96 and 16,835.90 is: 25,253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,426.41 : 104,139.96 = 16,835.90 : x
  2. Step 2: Convert to fraction form
    69,426.41/104,139.96 = 16,835.90/x
  3. Step 3: Cross multiply
    69,426.41x = 104,139.96 × 16,835.90
  4. Step 4: Simplify right side
    69,426.41x = 1,753,289,431.86
  5. Step 5: Solve for x
    x = 1,753,289,431.86/69,426.41
  6. Step 6: Final answer
    x = 25,253.93

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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.