Home / 89,233.92-123,137.28-53,426.88

Finding the Fourth Proportional to 89,233.92, 123,137.28 and 53,426.88

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Solution

The fourth proportional to 89,233.92, 123,137.28 and 53,426.88 is: 73,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,233.92 : 123,137.28 = 53,426.88 : x
  2. Step 2: Convert to fraction form
    89,233.92/123,137.28 = 53,426.88/x
  3. Step 3: Cross multiply
    89,233.92x = 123,137.28 × 53,426.88
  4. Step 4: Simplify right side
    89,233.92x = 6,578,840,682.09
  5. Step 5: Solve for x
    x = 6,578,840,682.09/89,233.92
  6. Step 6: Final answer
    x = 73,725.78

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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.