Home / 89,561.43-123,591.69-52,767.59

Finding the Fourth Proportional to 89,561.43, 123,591.69 and 52,767.59

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Solution

The fourth proportional to 89,561.43, 123,591.69 and 52,767.59 is: 72,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,561.43 : 123,591.69 = 52,767.59 : x
  2. Step 2: Convert to fraction form
    89,561.43/123,591.69 = 52,767.59/x
  3. Step 3: Cross multiply
    89,561.43x = 123,591.69 × 52,767.59
  4. Step 4: Simplify right side
    89,561.43x = 6,521,635,007.37
  5. Step 5: Solve for x
    x = 6,521,635,007.37/89,561.43
  6. Step 6: Final answer
    x = 72,817.45

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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.