Home / 89,829.54-134,744.22-30,660.30

Finding the Fourth Proportional to 89,829.54, 134,744.22 and 30,660.30

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Solution

The fourth proportional to 89,829.54, 134,744.22 and 30,660.30 is: 45,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,829.54 : 134,744.22 = 30,660.30 : x
  2. Step 2: Convert to fraction form
    89,829.54/134,744.22 = 30,660.30/x
  3. Step 3: Cross multiply
    89,829.54x = 134,744.22 × 30,660.30
  4. Step 4: Simplify right side
    89,829.54x = 4,131,298,208.47
  5. Step 5: Solve for x
    x = 4,131,298,208.47/89,829.54
  6. Step 6: Final answer
    x = 45,990.42

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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.