Home / 89,090.49-133,656.39-25,912.11

Finding the Fourth Proportional to 89,090.49, 133,656.39 and 25,912.11

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Solution

The fourth proportional to 89,090.49, 133,656.39 and 25,912.11 is: 38,874.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,090.49 : 133,656.39 = 25,912.11 : x
  2. Step 2: Convert to fraction form
    89,090.49/133,656.39 = 25,912.11/x
  3. Step 3: Cross multiply
    89,090.49x = 133,656.39 × 25,912.11
  4. Step 4: Simplify right side
    89,090.49x = 3,463,319,079.88
  5. Step 5: Solve for x
    x = 3,463,319,079.88/89,090.49
  6. Step 6: Final answer
    x = 38,874.17

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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.