Home / 49,171.28-73,756.86-12,235.28

Finding the Fourth Proportional to 49,171.28, 73,756.86 and 12,235.28

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Solution

The fourth proportional to 49,171.28, 73,756.86 and 12,235.28 is: 18,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,171.28 : 73,756.86 = 12,235.28 : x
  2. Step 2: Convert to fraction form
    49,171.28/73,756.86 = 12,235.28/x
  3. Step 3: Cross multiply
    49,171.28x = 73,756.86 × 12,235.28
  4. Step 4: Simplify right side
    49,171.28x = 902,435,834.02
  5. Step 5: Solve for x
    x = 902,435,834.02/49,171.28
  6. Step 6: Final answer
    x = 18,352.91

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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.