Home / 89,999.40-135,096.30-50,633.40

Finding the Fourth Proportional to 89,999.40, 135,096.30 and 50,633.40

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Solution

The fourth proportional to 89,999.40, 135,096.30 and 50,633.40 is: 76,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,999.40 : 135,096.30 = 50,633.40 : x
  2. Step 2: Convert to fraction form
    89,999.40/135,096.30 = 50,633.40/x
  3. Step 3: Cross multiply
    89,999.40x = 135,096.30 × 50,633.40
  4. Step 4: Simplify right side
    89,999.40x = 6,840,384,996.42
  5. Step 5: Solve for x
    x = 6,840,384,996.42/89,999.40
  6. Step 6: Final answer
    x = 76,004.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.