Home / 43,174.26-64,768.77-19,802.70

Finding the Fourth Proportional to 43,174.26, 64,768.77 and 19,802.70

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Solution

The fourth proportional to 43,174.26, 64,768.77 and 19,802.70 is: 29,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,174.26 : 64,768.77 = 19,802.70 : x
  2. Step 2: Convert to fraction form
    43,174.26/64,768.77 = 19,802.70/x
  3. Step 3: Cross multiply
    43,174.26x = 64,768.77 × 19,802.70
  4. Step 4: Simplify right side
    43,174.26x = 1,282,596,521.68
  5. Step 5: Solve for x
    x = 1,282,596,521.68/43,174.26
  6. Step 6: Final answer
    x = 29,707.43

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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.