Home / 89,825.10-123,954.43-51,558.07

Finding the Fourth Proportional to 89,825.10, 123,954.43 and 51,558.07

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Solution

The fourth proportional to 89,825.10, 123,954.43 and 51,558.07 is: 71,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,825.10 : 123,954.43 = 51,558.07 : x
  2. Step 2: Convert to fraction form
    89,825.10/123,954.43 = 51,558.07/x
  3. Step 3: Cross multiply
    89,825.10x = 123,954.43 × 51,558.07
  4. Step 4: Simplify right side
    89,825.10x = 6,390,850,558.98
  5. Step 5: Solve for x
    x = 6,390,850,558.98/89,825.10
  6. Step 6: Final answer
    x = 71,147.72

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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.