Home / 89,769.35-123,887.24-49,483.02

Finding the Fourth Proportional to 89,769.35, 123,887.24 and 49,483.02

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Solution

The fourth proportional to 89,769.35, 123,887.24 and 49,483.02 is: 68,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,769.35 : 123,887.24 = 49,483.02 : x
  2. Step 2: Convert to fraction form
    89,769.35/123,887.24 = 49,483.02/x
  3. Step 3: Cross multiply
    89,769.35x = 123,887.24 × 49,483.02
  4. Step 4: Simplify right side
    89,769.35x = 6,130,314,527.25
  5. Step 5: Solve for x
    x = 6,130,314,527.25/89,769.35
  6. Step 6: Final answer
    x = 68,289.62

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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.