Home / 55,771.21-83,644.51-16,331.40

Finding the Fourth Proportional to 55,771.21, 83,644.51 and 16,331.40

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Solution

The fourth proportional to 55,771.21, 83,644.51 and 16,331.40 is: 24,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.21 : 83,644.51 = 16,331.40 : x
  2. Step 2: Convert to fraction form
    55,771.21/83,644.51 = 16,331.40/x
  3. Step 3: Cross multiply
    55,771.21x = 83,644.51 × 16,331.40
  4. Step 4: Simplify right side
    55,771.21x = 1,366,031,728.12
  5. Step 5: Solve for x
    x = 1,366,031,728.12/55,771.21
  6. Step 6: Final answer
    x = 24,493.49

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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.