Home / 89,814.68-123,952.54-51,579.24

Finding the Fourth Proportional to 89,814.68, 123,952.54 and 51,579.24

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Solution

The fourth proportional to 89,814.68, 123,952.54 and 51,579.24 is: 71,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814.68 : 123,952.54 = 51,579.24 : x
  2. Step 2: Convert to fraction form
    89,814.68/123,952.54 = 51,579.24/x
  3. Step 3: Cross multiply
    89,814.68x = 123,952.54 × 51,579.24
  4. Step 4: Simplify right side
    89,814.68x = 6,393,377,809.27
  5. Step 5: Solve for x
    x = 6,393,377,809.27/89,814.68
  6. Step 6: Final answer
    x = 71,184.11

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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.