Home / 102,732.72-154,099.14-67,417.46

Finding the Fourth Proportional to 102,732.72, 154,099.14 and 67,417.46

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Solution

The fourth proportional to 102,732.72, 154,099.14 and 67,417.46 is: 101,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,732.72 : 154,099.14 = 67,417.46 : x
  2. Step 2: Convert to fraction form
    102,732.72/154,099.14 = 67,417.46/x
  3. Step 3: Cross multiply
    102,732.72x = 154,099.14 × 67,417.46
  4. Step 4: Simplify right side
    102,732.72x = 10,388,972,540.77
  5. Step 5: Solve for x
    x = 10,388,972,540.77/102,732.72
  6. Step 6: Final answer
    x = 101,126.23

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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.