Home / 49,774.55-68,688.34-28,557.14

Finding the Fourth Proportional to 49,774.55, 68,688.34 and 28,557.14

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Solution

The fourth proportional to 49,774.55, 68,688.34 and 28,557.14 is: 39,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,774.55 : 68,688.34 = 28,557.14 : x
  2. Step 2: Convert to fraction form
    49,774.55/68,688.34 = 28,557.14/x
  3. Step 3: Cross multiply
    49,774.55x = 68,688.34 × 28,557.14
  4. Step 4: Simplify right side
    49,774.55x = 1,961,542,126.91
  5. Step 5: Solve for x
    x = 1,961,542,126.91/49,774.55
  6. Step 6: Final answer
    x = 39,408.54

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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.