Home / 66,044.85-99,073.22-18,660.53

Finding the Fourth Proportional to 66,044.85, 99,073.22 and 18,660.53

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Solution

The fourth proportional to 66,044.85, 99,073.22 and 18,660.53 is: 27,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,044.85 : 99,073.22 = 18,660.53 : x
  2. Step 2: Convert to fraction form
    66,044.85/99,073.22 = 18,660.53/x
  3. Step 3: Cross multiply
    66,044.85x = 99,073.22 × 18,660.53
  4. Step 4: Simplify right side
    66,044.85x = 1,848,758,205.34
  5. Step 5: Solve for x
    x = 1,848,758,205.34/66,044.85
  6. Step 6: Final answer
    x = 27,992.47

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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.