Home / 89,495.18-123,503.66-49,211.48

Finding the Fourth Proportional to 89,495.18, 123,503.66 and 49,211.48

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Solution

The fourth proportional to 89,495.18, 123,503.66 and 49,211.48 is: 67,912.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,495.18 : 123,503.66 = 49,211.48 : x
  2. Step 2: Convert to fraction form
    89,495.18/123,503.66 = 49,211.48/x
  3. Step 3: Cross multiply
    89,495.18x = 123,503.66 × 49,211.48
  4. Step 4: Simplify right side
    89,495.18x = 6,077,797,894.02
  5. Step 5: Solve for x
    x = 6,077,797,894.02/89,495.18
  6. Step 6: Final answer
    x = 67,912.01

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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.