Home / 68,822.28-103,146.39-39,256.83

Finding the Fourth Proportional to 68,822.28, 103,146.39 and 39,256.83

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Solution

The fourth proportional to 68,822.28, 103,146.39 and 39,256.83 is: 58,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,822.28 : 103,146.39 = 39,256.83 : x
  2. Step 2: Convert to fraction form
    68,822.28/103,146.39 = 39,256.83/x
  3. Step 3: Cross multiply
    68,822.28x = 103,146.39 × 39,256.83
  4. Step 4: Simplify right side
    68,822.28x = 4,049,200,297.34
  5. Step 5: Solve for x
    x = 4,049,200,297.34/68,822.28
  6. Step 6: Final answer
    x = 58,835.60

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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.