Home / 112,125.20-154,735.89-68,524.81

Finding the Fourth Proportional to 112,125.20, 154,735.89 and 68,524.81

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Solution

The fourth proportional to 112,125.20, 154,735.89 and 68,524.81 is: 94,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,125.20 : 154,735.89 = 68,524.81 : x
  2. Step 2: Convert to fraction form
    112,125.20/154,735.89 = 68,524.81/x
  3. Step 3: Cross multiply
    112,125.20x = 154,735.89 × 68,524.81
  4. Step 4: Simplify right side
    112,125.20x = 10,603,246,732.97
  5. Step 5: Solve for x
    x = 10,603,246,732.97/112,125.20
  6. Step 6: Final answer
    x = 94,566.14

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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.