Home / 89,234.92-123,138.66-53,427.88

Finding the Fourth Proportional to 89,234.92, 123,138.66 and 53,427.88

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Solution

The fourth proportional to 89,234.92, 123,138.66 and 53,427.88 is: 73,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,234.92 : 123,138.66 = 53,427.88 : x
  2. Step 2: Convert to fraction form
    89,234.92/123,138.66 = 53,427.88/x
  3. Step 3: Cross multiply
    89,234.92x = 123,138.66 × 53,427.88
  4. Step 4: Simplify right side
    89,234.92x = 6,579,037,549.84
  5. Step 5: Solve for x
    x = 6,579,037,549.84/89,234.92
  6. Step 6: Final answer
    x = 73,727.16

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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.