Home / 45,250.11-67,879.15-16,787.39

Finding the Fourth Proportional to 45,250.11, 67,879.15 and 16,787.39

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Solution

The fourth proportional to 45,250.11, 67,879.15 and 16,787.39 is: 25,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.11 : 67,879.15 = 16,787.39 : x
  2. Step 2: Convert to fraction form
    45,250.11/67,879.15 = 16,787.39/x
  3. Step 3: Cross multiply
    45,250.11x = 67,879.15 × 16,787.39
  4. Step 4: Simplify right side
    45,250.11x = 1,139,513,977.87
  5. Step 5: Solve for x
    x = 1,139,513,977.87/45,250.11
  6. Step 6: Final answer
    x = 25,182.57

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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.