Home / 89,278.29-133,902.81-33,105.20

Finding the Fourth Proportional to 89,278.29, 133,902.81 and 33,105.20

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Solution

The fourth proportional to 89,278.29, 133,902.81 and 33,105.20 is: 49,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.29 : 133,902.81 = 33,105.20 : x
  2. Step 2: Convert to fraction form
    89,278.29/133,902.81 = 33,105.20/x
  3. Step 3: Cross multiply
    89,278.29x = 133,902.81 × 33,105.20
  4. Step 4: Simplify right side
    89,278.29x = 4,432,878,636.10
  5. Step 5: Solve for x
    x = 4,432,878,636.10/89,278.29
  6. Step 6: Final answer
    x = 49,652.37

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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.