Home / 89,503.98-123,511.27-49,219.44

Finding the Fourth Proportional to 89,503.98, 123,511.27 and 49,219.44

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Solution

The fourth proportional to 89,503.98, 123,511.27 and 49,219.44 is: 67,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,503.98 : 123,511.27 = 49,219.44 : x
  2. Step 2: Convert to fraction form
    89,503.98/123,511.27 = 49,219.44/x
  3. Step 3: Cross multiply
    89,503.98x = 123,511.27 × 49,219.44
  4. Step 4: Simplify right side
    89,503.98x = 6,079,155,883.21
  5. Step 5: Solve for x
    x = 6,079,155,883.21/89,503.98
  6. Step 6: Final answer
    x = 67,920.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.