Home / 51,541.13-77,310.66-16,480.78

Finding the Fourth Proportional to 51,541.13, 77,310.66 and 16,480.78

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Solution

The fourth proportional to 51,541.13, 77,310.66 and 16,480.78 is: 24,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541.13 : 77,310.66 = 16,480.78 : x
  2. Step 2: Convert to fraction form
    51,541.13/77,310.66 = 16,480.78/x
  3. Step 3: Cross multiply
    51,541.13x = 77,310.66 × 16,480.78
  4. Step 4: Simplify right side
    51,541.13x = 1,274,139,979.11
  5. Step 5: Solve for x
    x = 1,274,139,979.11/51,541.13
  6. Step 6: Final answer
    x = 24,720.84

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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.