Home / 111,729.60-167,451.84-52,434.36

Finding the Fourth Proportional to 111,729.60, 167,451.84 and 52,434.36

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Solution

The fourth proportional to 111,729.60, 167,451.84 and 52,434.36 is: 78,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,729.60 : 167,451.84 = 52,434.36 : x
  2. Step 2: Convert to fraction form
    111,729.60/167,451.84 = 52,434.36/x
  3. Step 3: Cross multiply
    111,729.60x = 167,451.84 × 52,434.36
  4. Step 4: Simplify right side
    111,729.60x = 8,780,230,061.22
  5. Step 5: Solve for x
    x = 8,780,230,061.22/111,729.60
  6. Step 6: Final answer
    x = 78,584.64

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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.