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Finding the Fourth Proportional to 77,644.22, 116,462.21 and 25,053.71

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Solution

The fourth proportional to 77,644.22, 116,462.21 and 25,053.71 is: 37,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,644.22 : 116,462.21 = 25,053.71 : x
  2. Step 2: Convert to fraction form
    77,644.22/116,462.21 = 25,053.71/x
  3. Step 3: Cross multiply
    77,644.22x = 116,462.21 × 25,053.71
  4. Step 4: Simplify right side
    77,644.22x = 2,917,809,727.72
  5. Step 5: Solve for x
    x = 2,917,809,727.72/77,644.22
  6. Step 6: Final answer
    x = 37,579.23

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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.