Home / 89,682.14-123,762.11-49,397.28

Finding the Fourth Proportional to 89,682.14, 123,762.11 and 49,397.28

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Solution

The fourth proportional to 89,682.14, 123,762.11 and 49,397.28 is: 68,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,682.14 : 123,762.11 = 49,397.28 : x
  2. Step 2: Convert to fraction form
    89,682.14/123,762.11 = 49,397.28/x
  3. Step 3: Cross multiply
    89,682.14x = 123,762.11 × 49,397.28
  4. Step 4: Simplify right side
    89,682.14x = 6,113,511,354.07
  5. Step 5: Solve for x
    x = 6,113,511,354.07/89,682.14
  6. Step 6: Final answer
    x = 68,168.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.