Home / 89,586.20-123,725.88-55,675.86

Finding the Fourth Proportional to 89,586.20, 123,725.88 and 55,675.86

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Solution

The fourth proportional to 89,586.20, 123,725.88 and 55,675.86 is: 76,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,586.20 : 123,725.88 = 55,675.86 : x
  2. Step 2: Convert to fraction form
    89,586.20/123,725.88 = 55,675.86/x
  3. Step 3: Cross multiply
    89,586.20x = 123,725.88 × 55,675.86
  4. Step 4: Simplify right side
    89,586.20x = 6,888,544,309.28
  5. Step 5: Solve for x
    x = 6,888,544,309.28/89,586.20
  6. Step 6: Final answer
    x = 76,892.92

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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.