Home / 71,021.06-106,572.29-28,893.36

Finding the Fourth Proportional to 71,021.06, 106,572.29 and 28,893.36

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Solution

The fourth proportional to 71,021.06, 106,572.29 and 28,893.36 is: 43,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,021.06 : 106,572.29 = 28,893.36 : x
  2. Step 2: Convert to fraction form
    71,021.06/106,572.29 = 28,893.36/x
  3. Step 3: Cross multiply
    71,021.06x = 106,572.29 × 28,893.36
  4. Step 4: Simplify right side
    71,021.06x = 3,079,231,540.99
  5. Step 5: Solve for x
    x = 3,079,231,540.99/71,021.06
  6. Step 6: Final answer
    x = 43,356.60

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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.