Home / 52,755.12-79,107.14-19,490.86

Finding the Fourth Proportional to 52,755.12, 79,107.14 and 19,490.86

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Solution

The fourth proportional to 52,755.12, 79,107.14 and 19,490.86 is: 29,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,755.12 : 79,107.14 = 19,490.86 : x
  2. Step 2: Convert to fraction form
    52,755.12/79,107.14 = 19,490.86/x
  3. Step 3: Cross multiply
    52,755.12x = 79,107.14 × 19,490.86
  4. Step 4: Simplify right side
    52,755.12x = 1,541,866,190.74
  5. Step 5: Solve for x
    x = 1,541,866,190.74/52,755.12
  6. Step 6: Final answer
    x = 29,226.85

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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.