Home / 65,923.20-98,933.40-43,729.20

Finding the Fourth Proportional to 65,923.20, 98,933.40 and 43,729.20

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Solution

The fourth proportional to 65,923.20, 98,933.40 and 43,729.20 is: 65,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,923.20 : 98,933.40 = 43,729.20 : x
  2. Step 2: Convert to fraction form
    65,923.20/98,933.40 = 43,729.20/x
  3. Step 3: Cross multiply
    65,923.20x = 98,933.40 × 43,729.20
  4. Step 4: Simplify right side
    65,923.20x = 4,326,278,435.28
  5. Step 5: Solve for x
    x = 4,326,278,435.28/65,923.20
  6. Step 6: Final answer
    x = 65,626.04

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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.