Home / 52,310.78-72,187.36-29,651.86

Finding the Fourth Proportional to 52,310.78, 72,187.36 and 29,651.86

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Solution

The fourth proportional to 52,310.78, 72,187.36 and 29,651.86 is: 40,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,310.78 : 72,187.36 = 29,651.86 : x
  2. Step 2: Convert to fraction form
    52,310.78/72,187.36 = 29,651.86/x
  3. Step 3: Cross multiply
    52,310.78x = 72,187.36 × 29,651.86
  4. Step 4: Simplify right side
    52,310.78x = 2,140,489,492.49
  5. Step 5: Solve for x
    x = 2,140,489,492.49/52,310.78
  6. Step 6: Final answer
    x = 40,918.71

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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.