Home / 72,579.90-108,869.86-22,664.27

Finding the Fourth Proportional to 72,579.90, 108,869.86 and 22,664.27

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Solution

The fourth proportional to 72,579.90, 108,869.86 and 22,664.27 is: 33,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,579.90 : 108,869.86 = 22,664.27 : x
  2. Step 2: Convert to fraction form
    72,579.90/108,869.86 = 22,664.27/x
  3. Step 3: Cross multiply
    72,579.90x = 108,869.86 × 22,664.27
  4. Step 4: Simplify right side
    72,579.90x = 2,467,455,901.90
  5. Step 5: Solve for x
    x = 2,467,455,901.90/72,579.90
  6. Step 6: Final answer
    x = 33,996.41

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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.