Home / 45,909.89-68,800.16-36,508.19

Finding the Fourth Proportional to 45,909.89, 68,800.16 and 36,508.19

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Solution

The fourth proportional to 45,909.89, 68,800.16 and 36,508.19 is: 54,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,909.89 : 68,800.16 = 36,508.19 : x
  2. Step 2: Convert to fraction form
    45,909.89/68,800.16 = 36,508.19/x
  3. Step 3: Cross multiply
    45,909.89x = 68,800.16 × 36,508.19
  4. Step 4: Simplify right side
    45,909.89x = 2,511,768,786.77
  5. Step 5: Solve for x
    x = 2,511,768,786.77/45,909.89
  6. Step 6: Final answer
    x = 54,710.85

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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.