Home / 77,451.76-116,163.70-20,526.04

Finding the Fourth Proportional to 77,451.76, 116,163.70 and 20,526.04

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Solution

The fourth proportional to 77,451.76, 116,163.70 and 20,526.04 is: 30,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,451.76 : 116,163.70 = 20,526.04 : x
  2. Step 2: Convert to fraction form
    77,451.76/116,163.70 = 20,526.04/x
  3. Step 3: Cross multiply
    77,451.76x = 116,163.70 × 20,526.04
  4. Step 4: Simplify right side
    77,451.76x = 2,384,380,752.75
  5. Step 5: Solve for x
    x = 2,384,380,752.75/77,451.76
  6. Step 6: Final answer
    x = 30,785.37

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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.