Home / 89,280.89-123,211.19-48,996.10

Finding the Fourth Proportional to 89,280.89, 123,211.19 and 48,996.10

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Solution

The fourth proportional to 89,280.89, 123,211.19 and 48,996.10 is: 67,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,280.89 : 123,211.19 = 48,996.10 : x
  2. Step 2: Convert to fraction form
    89,280.89/123,211.19 = 48,996.10/x
  3. Step 3: Cross multiply
    89,280.89x = 123,211.19 × 48,996.10
  4. Step 4: Simplify right side
    89,280.89x = 6,036,867,233.35
  5. Step 5: Solve for x
    x = 6,036,867,233.35/89,280.89
  6. Step 6: Final answer
    x = 67,616.57

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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.