Home / 51,772.09-77,655.35-16,711.75

Finding the Fourth Proportional to 51,772.09, 77,655.35 and 16,711.75

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Solution

The fourth proportional to 51,772.09, 77,655.35 and 16,711.75 is: 25,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,772.09 : 77,655.35 = 16,711.75 : x
  2. Step 2: Convert to fraction form
    51,772.09/77,655.35 = 16,711.75/x
  3. Step 3: Cross multiply
    51,772.09x = 77,655.35 × 16,711.75
  4. Step 4: Simplify right side
    51,772.09x = 1,297,756,711.80
  5. Step 5: Solve for x
    x = 1,297,756,711.80/51,772.09
  6. Step 6: Final answer
    x = 25,066.72

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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.