Home / 63,729.37-95,626.19-45,128.94

Finding the Fourth Proportional to 63,729.37, 95,626.19 and 45,128.94

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Solution

The fourth proportional to 63,729.37, 95,626.19 and 45,128.94 is: 67,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,729.37 : 95,626.19 = 45,128.94 : x
  2. Step 2: Convert to fraction form
    63,729.37/95,626.19 = 45,128.94/x
  3. Step 3: Cross multiply
    63,729.37x = 95,626.19 × 45,128.94
  4. Step 4: Simplify right side
    63,729.37x = 4,315,508,590.94
  5. Step 5: Solve for x
    x = 4,315,508,590.94/63,729.37
  6. Step 6: Final answer
    x = 67,716.17

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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.