Home / 68,400.90-102,633.82-47,373.30

Finding the Fourth Proportional to 68,400.90, 102,633.82 and 47,373.30

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Solution

The fourth proportional to 68,400.90, 102,633.82 and 47,373.30 is: 71,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,400.90 : 102,633.82 = 47,373.30 : x
  2. Step 2: Convert to fraction form
    68,400.90/102,633.82 = 47,373.30/x
  3. Step 3: Cross multiply
    68,400.90x = 102,633.82 × 47,373.30
  4. Step 4: Simplify right side
    68,400.90x = 4,862,102,745.01
  5. Step 5: Solve for x
    x = 4,862,102,745.01/68,400.90
  6. Step 6: Final answer
    x = 71,082.44

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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.