Home / 89,281.49-133,930.08-33,122.21

Finding the Fourth Proportional to 89,281.49, 133,930.08 and 33,122.21

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Solution

The fourth proportional to 89,281.49, 133,930.08 and 33,122.21 is: 49,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,281.49 : 133,930.08 = 33,122.21 : x
  2. Step 2: Convert to fraction form
    89,281.49/133,930.08 = 33,122.21/x
  3. Step 3: Cross multiply
    89,281.49x = 133,930.08 × 33,122.21
  4. Step 4: Simplify right side
    89,281.49x = 4,436,059,565.43
  5. Step 5: Solve for x
    x = 4,436,059,565.43/89,281.49
  6. Step 6: Final answer
    x = 49,686.22

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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.