Home / 99,506.49-149,104.22-57,412.41

Finding the Fourth Proportional to 99,506.49, 149,104.22 and 57,412.41

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Solution

The fourth proportional to 99,506.49, 149,104.22 and 57,412.41 is: 86,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,506.49 : 149,104.22 = 57,412.41 : x
  2. Step 2: Convert to fraction form
    99,506.49/149,104.22 = 57,412.41/x
  3. Step 3: Cross multiply
    99,506.49x = 149,104.22 × 57,412.41
  4. Step 4: Simplify right side
    99,506.49x = 8,560,432,324.31
  5. Step 5: Solve for x
    x = 8,560,432,324.31/99,506.49
  6. Step 6: Final answer
    x = 86,028.88

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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.