Home / 89,240.90-133,796.55-36,623.30

Finding the Fourth Proportional to 89,240.90, 133,796.55 and 36,623.30

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Solution

The fourth proportional to 89,240.90, 133,796.55 and 36,623.30 is: 54,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,240.90 : 133,796.55 = 36,623.30 : x
  2. Step 2: Convert to fraction form
    89,240.90/133,796.55 = 36,623.30/x
  3. Step 3: Cross multiply
    89,240.90x = 133,796.55 × 36,623.30
  4. Step 4: Simplify right side
    89,240.90x = 4,900,071,189.62
  5. Step 5: Solve for x
    x = 4,900,071,189.62/89,240.90
  6. Step 6: Final answer
    x = 54,908.36

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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.