Home / 89,286.24-133,929.60-39,355.20

Finding the Fourth Proportional to 89,286.24, 133,929.60 and 39,355.20

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Solution

The fourth proportional to 89,286.24, 133,929.60 and 39,355.20 is: 59,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,286.24 : 133,929.60 = 39,355.20 : x
  2. Step 2: Convert to fraction form
    89,286.24/133,929.60 = 39,355.20/x
  3. Step 3: Cross multiply
    89,286.24x = 133,929.60 × 39,355.20
  4. Step 4: Simplify right side
    89,286.24x = 5,270,826,193.92
  5. Step 5: Solve for x
    x = 5,270,826,193.92/89,286.24
  6. Step 6: Final answer
    x = 59,032.91

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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.