Home / 92,559.47-127,636.58-79,175.03

Finding the Fourth Proportional to 92,559.47, 127,636.58 and 79,175.03

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Solution

The fourth proportional to 92,559.47, 127,636.58 and 79,175.03 is: 109,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,559.47 : 127,636.58 = 79,175.03 : x
  2. Step 2: Convert to fraction form
    92,559.47/127,636.58 = 79,175.03/x
  3. Step 3: Cross multiply
    92,559.47x = 127,636.58 × 79,175.03
  4. Step 4: Simplify right side
    92,559.47x = 10,105,629,654.72
  5. Step 5: Solve for x
    x = 10,105,629,654.72/92,559.47
  6. Step 6: Final answer
    x = 109,179.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.