Home / 54,262.57-81,390.70-16,311.02

Finding the Fourth Proportional to 54,262.57, 81,390.70 and 16,311.02

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Solution

The fourth proportional to 54,262.57, 81,390.70 and 16,311.02 is: 24,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,262.57 : 81,390.70 = 16,311.02 : x
  2. Step 2: Convert to fraction form
    54,262.57/81,390.70 = 16,311.02/x
  3. Step 3: Cross multiply
    54,262.57x = 81,390.70 × 16,311.02
  4. Step 4: Simplify right side
    54,262.57x = 1,327,564,847.01
  5. Step 5: Solve for x
    x = 1,327,564,847.01/54,262.57
  6. Step 6: Final answer
    x = 24,465.57

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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.