Home / 82,447.16-123,680.46-26,267.72

Finding the Fourth Proportional to 82,447.16, 123,680.46 and 26,267.72

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Solution

The fourth proportional to 82,447.16, 123,680.46 and 26,267.72 is: 39,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,447.16 : 123,680.46 = 26,267.72 : x
  2. Step 2: Convert to fraction form
    82,447.16/123,680.46 = 26,267.72/x
  3. Step 3: Cross multiply
    82,447.16x = 123,680.46 × 26,267.72
  4. Step 4: Simplify right side
    82,447.16x = 3,248,803,692.75
  5. Step 5: Solve for x
    x = 3,248,803,692.75/82,447.16
  6. Step 6: Final answer
    x = 39,404.68

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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.