Home / 104,918.41-157,424.09-54,986.57

Finding the Fourth Proportional to 104,918.41, 157,424.09 and 54,986.57

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Solution

The fourth proportional to 104,918.41, 157,424.09 and 54,986.57 is: 82,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,918.41 : 157,424.09 = 54,986.57 : x
  2. Step 2: Convert to fraction form
    104,918.41/157,424.09 = 54,986.57/x
  3. Step 3: Cross multiply
    104,918.41x = 157,424.09 × 54,986.57
  4. Step 4: Simplify right side
    104,918.41x = 8,656,209,682.42
  5. Step 5: Solve for x
    x = 8,656,209,682.42/104,918.41
  6. Step 6: Final answer
    x = 82,504.20

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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.