Home / 89,712.77-123,804.25-51,474.02

Finding the Fourth Proportional to 89,712.77, 123,804.25 and 51,474.02

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Solution

The fourth proportional to 89,712.77, 123,804.25 and 51,474.02 is: 71,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712.77 : 123,804.25 = 51,474.02 : x
  2. Step 2: Convert to fraction form
    89,712.77/123,804.25 = 51,474.02/x
  3. Step 3: Cross multiply
    89,712.77x = 123,804.25 × 51,474.02
  4. Step 4: Simplify right side
    89,712.77x = 6,372,701,692.88
  5. Step 5: Solve for x
    x = 6,372,701,692.88/89,712.77
  6. Step 6: Final answer
    x = 71,034.50

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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.