Home / 89,490.08-123,496.40-49,204.52

Finding the Fourth Proportional to 89,490.08, 123,496.40 and 49,204.52

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Solution

The fourth proportional to 89,490.08, 123,496.40 and 49,204.52 is: 67,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,490.08 : 123,496.40 = 49,204.52 : x
  2. Step 2: Convert to fraction form
    89,490.08/123,496.40 = 49,204.52/x
  3. Step 3: Cross multiply
    89,490.08x = 123,496.40 × 49,204.52
  4. Step 4: Simplify right side
    89,490.08x = 6,076,581,083.73
  5. Step 5: Solve for x
    x = 6,076,581,083.73/89,490.08
  6. Step 6: Final answer
    x = 67,902.29

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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.