Home / 74,622.96-111,899.34-30,215.94

Finding the Fourth Proportional to 74,622.96, 111,899.34 and 30,215.94

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Solution

The fourth proportional to 74,622.96, 111,899.34 and 30,215.94 is: 45,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,622.96 : 111,899.34 = 30,215.94 : x
  2. Step 2: Convert to fraction form
    74,622.96/111,899.34 = 30,215.94/x
  3. Step 3: Cross multiply
    74,622.96x = 111,899.34 × 30,215.94
  4. Step 4: Simplify right side
    74,622.96x = 3,381,143,743.48
  5. Step 5: Solve for x
    x = 3,381,143,743.48/74,622.96
  6. Step 6: Final answer
    x = 45,309.70

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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.