Home / 51,870.80-77,778.36-16,325.47

Finding the Fourth Proportional to 51,870.80, 77,778.36 and 16,325.47

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Solution

The fourth proportional to 51,870.80, 77,778.36 and 16,325.47 is: 24,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,870.80 : 77,778.36 = 16,325.47 : x
  2. Step 2: Convert to fraction form
    51,870.80/77,778.36 = 16,325.47/x
  3. Step 3: Cross multiply
    51,870.80x = 77,778.36 × 16,325.47
  4. Step 4: Simplify right side
    51,870.80x = 1,269,768,380.05
  5. Step 5: Solve for x
    x = 1,269,768,380.05/51,870.80
  6. Step 6: Final answer
    x = 24,479.44

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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.