Home / 51,685.90-77,479.64-16,600.96

Finding the Fourth Proportional to 51,685.90, 77,479.64 and 16,600.96

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Solution

The fourth proportional to 51,685.90, 77,479.64 and 16,600.96 is: 24,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685.90 : 77,479.64 = 16,600.96 : x
  2. Step 2: Convert to fraction form
    51,685.90/77,479.64 = 16,600.96/x
  3. Step 3: Cross multiply
    51,685.90x = 77,479.64 × 16,600.96
  4. Step 4: Simplify right side
    51,685.90x = 1,286,235,934.05
  5. Step 5: Solve for x
    x = 1,286,235,934.05/51,685.90
  6. Step 6: Final answer
    x = 24,885.63

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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.