Home / 79,190.06-118,760.26-25,869.88

Finding the Fourth Proportional to 79,190.06, 118,760.26 and 25,869.88

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Solution

The fourth proportional to 79,190.06, 118,760.26 and 25,869.88 is: 38,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.06 : 118,760.26 = 25,869.88 : x
  2. Step 2: Convert to fraction form
    79,190.06/118,760.26 = 25,869.88/x
  3. Step 3: Cross multiply
    79,190.06x = 118,760.26 × 25,869.88
  4. Step 4: Simplify right side
    79,190.06x = 3,072,312,951.82
  5. Step 5: Solve for x
    x = 3,072,312,951.82/79,190.06
  6. Step 6: Final answer
    x = 38,796.70

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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.