Home / 89,262.60-123,171.98-53,447.64

Finding the Fourth Proportional to 89,262.60, 123,171.98 and 53,447.64

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Solution

The fourth proportional to 89,262.60, 123,171.98 and 53,447.64 is: 73,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,262.60 : 123,171.98 = 53,447.64 : x
  2. Step 2: Convert to fraction form
    89,262.60/123,171.98 = 53,447.64/x
  3. Step 3: Cross multiply
    89,262.60x = 123,171.98 × 53,447.64
  4. Step 4: Simplify right side
    89,262.60x = 6,583,251,645.13
  5. Step 5: Solve for x
    x = 6,583,251,645.13/89,262.60
  6. Step 6: Final answer
    x = 73,751.51

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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.