Home / 89,558.87-123,591.25-49,271.77

Finding the Fourth Proportional to 89,558.87, 123,591.25 and 49,271.77

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Solution

The fourth proportional to 89,558.87, 123,591.25 and 49,271.77 is: 67,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,558.87 : 123,591.25 = 49,271.77 : x
  2. Step 2: Convert to fraction form
    89,558.87/123,591.25 = 49,271.77/x
  3. Step 3: Cross multiply
    89,558.87x = 123,591.25 × 49,271.77
  4. Step 4: Simplify right side
    89,558.87x = 6,089,559,644.01
  5. Step 5: Solve for x
    x = 6,089,559,644.01/89,558.87
  6. Step 6: Final answer
    x = 67,995.05

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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.