Home / 89,816.07-123,932.63-51,577.29

Finding the Fourth Proportional to 89,816.07, 123,932.63 and 51,577.29

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Solution

The fourth proportional to 89,816.07, 123,932.63 and 51,577.29 is: 71,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816.07 : 123,932.63 = 51,577.29 : x
  2. Step 2: Convert to fraction form
    89,816.07/123,932.63 = 51,577.29/x
  3. Step 3: Cross multiply
    89,816.07x = 123,932.63 × 51,577.29
  4. Step 4: Simplify right side
    89,816.07x = 6,392,109,326.92
  5. Step 5: Solve for x
    x = 6,392,109,326.92/89,816.07
  6. Step 6: Final answer
    x = 71,168.88

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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.