Home / 51,860.12-77,788.36-16,320.46

Finding the Fourth Proportional to 51,860.12, 77,788.36 and 16,320.46

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Solution

The fourth proportional to 51,860.12, 77,788.36 and 16,320.46 is: 24,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,860.12 : 77,788.36 = 16,320.46 : x
  2. Step 2: Convert to fraction form
    51,860.12/77,788.36 = 16,320.46/x
  3. Step 3: Cross multiply
    51,860.12x = 77,788.36 × 16,320.46
  4. Step 4: Simplify right side
    51,860.12x = 1,269,541,817.85
  5. Step 5: Solve for x
    x = 1,269,541,817.85/51,860.12
  6. Step 6: Final answer
    x = 24,480.12

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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.