Home / 68,933.76-103,196.52-42,553.68

Finding the Fourth Proportional to 68,933.76, 103,196.52 and 42,553.68

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Solution

The fourth proportional to 68,933.76, 103,196.52 and 42,553.68 is: 63,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,933.76 : 103,196.52 = 42,553.68 : x
  2. Step 2: Convert to fraction form
    68,933.76/103,196.52 = 42,553.68/x
  3. Step 3: Cross multiply
    68,933.76x = 103,196.52 × 42,553.68
  4. Step 4: Simplify right side
    68,933.76x = 4,391,391,689.19
  5. Step 5: Solve for x
    x = 4,391,391,689.19/68,933.76
  6. Step 6: Final answer
    x = 63,704.51

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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.