Home / 89,811.70-123,941.03-49,527.10

Finding the Fourth Proportional to 89,811.70, 123,941.03 and 49,527.10

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Solution

The fourth proportional to 89,811.70, 123,941.03 and 49,527.10 is: 68,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,811.70 : 123,941.03 = 49,527.10 : x
  2. Step 2: Convert to fraction form
    89,811.70/123,941.03 = 49,527.10/x
  3. Step 3: Cross multiply
    89,811.70x = 123,941.03 × 49,527.10
  4. Step 4: Simplify right side
    89,811.70x = 6,138,439,786.91
  5. Step 5: Solve for x
    x = 6,138,439,786.91/89,811.70
  6. Step 6: Final answer
    x = 68,347.89

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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.