Home / 82,225.30-123,395.55-35,511.70

Finding the Fourth Proportional to 82,225.30, 123,395.55 and 35,511.70

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Solution

The fourth proportional to 82,225.30, 123,395.55 and 35,511.70 is: 53,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,225.30 : 123,395.55 = 35,511.70 : x
  2. Step 2: Convert to fraction form
    82,225.30/123,395.55 = 35,511.70/x
  3. Step 3: Cross multiply
    82,225.30x = 123,395.55 × 35,511.70
  4. Step 4: Simplify right side
    82,225.30x = 4,381,985,752.94
  5. Step 5: Solve for x
    x = 4,381,985,752.94/82,225.30
  6. Step 6: Final answer
    x = 53,292.43

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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.