Home / 49,716.32-74,529.96-18,104.08

Finding the Fourth Proportional to 49,716.32, 74,529.96 and 18,104.08

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Solution

The fourth proportional to 49,716.32, 74,529.96 and 18,104.08 is: 27,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,716.32 : 74,529.96 = 18,104.08 : x
  2. Step 2: Convert to fraction form
    49,716.32/74,529.96 = 18,104.08/x
  3. Step 3: Cross multiply
    49,716.32x = 74,529.96 × 18,104.08
  4. Step 4: Simplify right side
    49,716.32x = 1,349,296,358.24
  5. Step 5: Solve for x
    x = 1,349,296,358.24/49,716.32
  6. Step 6: Final answer
    x = 27,139.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.