Home / 49,785.14-74,691.54-21,707.64

Finding the Fourth Proportional to 49,785.14, 74,691.54 and 21,707.64

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Solution

The fourth proportional to 49,785.14, 74,691.54 and 21,707.64 is: 32,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,785.14 : 74,691.54 = 21,707.64 : x
  2. Step 2: Convert to fraction form
    49,785.14/74,691.54 = 21,707.64/x
  3. Step 3: Cross multiply
    49,785.14x = 74,691.54 × 21,707.64
  4. Step 4: Simplify right side
    49,785.14x = 1,621,377,061.37
  5. Step 5: Solve for x
    x = 1,621,377,061.37/49,785.14
  6. Step 6: Final answer
    x = 32,567.49

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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.