Home / 48,505.53-72,770.18-16,911.21

Finding the Fourth Proportional to 48,505.53, 72,770.18 and 16,911.21

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Solution

The fourth proportional to 48,505.53, 72,770.18 and 16,911.21 is: 25,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,505.53 : 72,770.18 = 16,911.21 : x
  2. Step 2: Convert to fraction form
    48,505.53/72,770.18 = 16,911.21/x
  3. Step 3: Cross multiply
    48,505.53x = 72,770.18 × 16,911.21
  4. Step 4: Simplify right side
    48,505.53x = 1,230,631,711.16
  5. Step 5: Solve for x
    x = 1,230,631,711.16/48,505.53
  6. Step 6: Final answer
    x = 25,370.96

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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.