Home / 89,560.82-123,611.58-51,346.01

Finding the Fourth Proportional to 89,560.82, 123,611.58 and 51,346.01

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Solution

The fourth proportional to 89,560.82, 123,611.58 and 51,346.01 is: 70,867.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,560.82 : 123,611.58 = 51,346.01 : x
  2. Step 2: Convert to fraction form
    89,560.82/123,611.58 = 51,346.01/x
  3. Step 3: Cross multiply
    89,560.82x = 123,611.58 × 51,346.01
  4. Step 4: Simplify right side
    89,560.82x = 6,346,961,731.82
  5. Step 5: Solve for x
    x = 6,346,961,731.82/89,560.82
  6. Step 6: Final answer
    x = 70,867.61

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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.