Home / 49,311.54-73,960.02-18,139.50

Finding the Fourth Proportional to 49,311.54, 73,960.02 and 18,139.50

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Solution

The fourth proportional to 49,311.54, 73,960.02 and 18,139.50 is: 27,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,311.54 : 73,960.02 = 18,139.50 : x
  2. Step 2: Convert to fraction form
    49,311.54/73,960.02 = 18,139.50/x
  3. Step 3: Cross multiply
    49,311.54x = 73,960.02 × 18,139.50
  4. Step 4: Simplify right side
    49,311.54x = 1,341,597,782.79
  5. Step 5: Solve for x
    x = 1,341,597,782.79/49,311.54
  6. Step 6: Final answer
    x = 27,206.57

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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.