Home / 89,628.54-123,673.68-51,895.50

Finding the Fourth Proportional to 89,628.54, 123,673.68 and 51,895.50

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Solution

The fourth proportional to 89,628.54, 123,673.68 and 51,895.50 is: 71,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,628.54 : 123,673.68 = 51,895.50 : x
  2. Step 2: Convert to fraction form
    89,628.54/123,673.68 = 51,895.50/x
  3. Step 3: Cross multiply
    89,628.54x = 123,673.68 × 51,895.50
  4. Step 4: Simplify right side
    89,628.54x = 6,418,107,460.44
  5. Step 5: Solve for x
    x = 6,418,107,460.44/89,628.54
  6. Step 6: Final answer
    x = 71,607.85

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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.