Home / 89,319.72-123,260.94-49,032.12

Finding the Fourth Proportional to 89,319.72, 123,260.94 and 49,032.12

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Solution

The fourth proportional to 89,319.72, 123,260.94 and 49,032.12 is: 67,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,319.72 : 123,260.94 = 49,032.12 : x
  2. Step 2: Convert to fraction form
    89,319.72/123,260.94 = 49,032.12/x
  3. Step 3: Cross multiply
    89,319.72x = 123,260.94 × 49,032.12
  4. Step 4: Simplify right side
    89,319.72x = 6,043,745,201.39
  5. Step 5: Solve for x
    x = 6,043,745,201.39/89,319.72
  6. Step 6: Final answer
    x = 67,664.18

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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.