Home / 89,381.14-123,315.96-50,613.68

Finding the Fourth Proportional to 89,381.14, 123,315.96 and 50,613.68

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Solution

The fourth proportional to 89,381.14, 123,315.96 and 50,613.68 is: 69,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,381.14 : 123,315.96 = 50,613.68 : x
  2. Step 2: Convert to fraction form
    89,381.14/123,315.96 = 50,613.68/x
  3. Step 3: Cross multiply
    89,381.14x = 123,315.96 × 50,613.68
  4. Step 4: Simplify right side
    89,381.14x = 6,241,474,538.33
  5. Step 5: Solve for x
    x = 6,241,474,538.33/89,381.14
  6. Step 6: Final answer
    x = 69,829.88

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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.