Home / 89,137.61-123,010.87-48,850.51

Finding the Fourth Proportional to 89,137.61, 123,010.87 and 48,850.51

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Solution

The fourth proportional to 89,137.61, 123,010.87 and 48,850.51 is: 67,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,137.61 : 123,010.87 = 48,850.51 : x
  2. Step 2: Convert to fraction form
    89,137.61/123,010.87 = 48,850.51/x
  3. Step 3: Cross multiply
    89,137.61x = 123,010.87 × 48,850.51
  4. Step 4: Simplify right side
    89,137.61x = 6,009,143,735.04
  5. Step 5: Solve for x
    x = 6,009,143,735.04/89,137.61
  6. Step 6: Final answer
    x = 67,414.24

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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.