Home / 49,785.24-74,678.13-14,725.20

Finding the Fourth Proportional to 49,785.24, 74,678.13 and 14,725.20

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Solution

The fourth proportional to 49,785.24, 74,678.13 and 14,725.20 is: 22,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,785.24 : 74,678.13 = 14,725.20 : x
  2. Step 2: Convert to fraction form
    49,785.24/74,678.13 = 14,725.20/x
  3. Step 3: Cross multiply
    49,785.24x = 74,678.13 × 14,725.20
  4. Step 4: Simplify right side
    49,785.24x = 1,099,650,399.88
  5. Step 5: Solve for x
    x = 1,099,650,399.88/49,785.24
  6. Step 6: Final answer
    x = 22,087.88

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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.