Home / 45,788.20-68,682.30-16,205.80

Finding the Fourth Proportional to 45,788.20, 68,682.30 and 16,205.80

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Solution

The fourth proportional to 45,788.20, 68,682.30 and 16,205.80 is: 24,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,788.20 : 68,682.30 = 16,205.80 : x
  2. Step 2: Convert to fraction form
    45,788.20/68,682.30 = 16,205.80/x
  3. Step 3: Cross multiply
    45,788.20x = 68,682.30 × 16,205.80
  4. Step 4: Simplify right side
    45,788.20x = 1,113,051,617.34
  5. Step 5: Solve for x
    x = 1,113,051,617.34/45,788.20
  6. Step 6: Final answer
    x = 24,308.70

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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.