Home / 89,501.11-123,511.97-49,217.47

Finding the Fourth Proportional to 89,501.11, 123,511.97 and 49,217.47

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Solution

The fourth proportional to 89,501.11, 123,511.97 and 49,217.47 is: 67,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,501.11 : 123,511.97 = 49,217.47 : x
  2. Step 2: Convert to fraction form
    89,501.11/123,511.97 = 49,217.47/x
  3. Step 3: Cross multiply
    89,501.11x = 123,511.97 × 49,217.47
  4. Step 4: Simplify right side
    89,501.11x = 6,078,946,492.38
  5. Step 5: Solve for x
    x = 6,078,946,492.38/89,501.11
  6. Step 6: Final answer
    x = 67,920.35

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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.