Home / 49,789.62-74,606.64-28,742.58

Finding the Fourth Proportional to 49,789.62, 74,606.64 and 28,742.58

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Solution

The fourth proportional to 49,789.62, 74,606.64 and 28,742.58 is: 43,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,789.62 : 74,606.64 = 28,742.58 : x
  2. Step 2: Convert to fraction form
    49,789.62/74,606.64 = 28,742.58/x
  3. Step 3: Cross multiply
    49,789.62x = 74,606.64 × 28,742.58
  4. Step 4: Simplify right side
    49,789.62x = 2,144,387,318.73
  5. Step 5: Solve for x
    x = 2,144,387,318.73/49,789.62
  6. Step 6: Final answer
    x = 43,068.96

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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.