Home / 92,578.40-127,757.64-50,136.56

Finding the Fourth Proportional to 92,578.40, 127,757.64 and 50,136.56

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Solution

The fourth proportional to 92,578.40, 127,757.64 and 50,136.56 is: 69,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,578.40 : 127,757.64 = 50,136.56 : x
  2. Step 2: Convert to fraction form
    92,578.40/127,757.64 = 50,136.56/x
  3. Step 3: Cross multiply
    92,578.40x = 127,757.64 × 50,136.56
  4. Step 4: Simplify right side
    92,578.40x = 6,405,328,583.32
  5. Step 5: Solve for x
    x = 6,405,328,583.32/92,578.40
  6. Step 6: Final answer
    x = 69,188.15

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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.