Home / 89,229.20-133,730.40-36,579.20

Finding the Fourth Proportional to 89,229.20, 133,730.40 and 36,579.20

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Solution

The fourth proportional to 89,229.20, 133,730.40 and 36,579.20 is: 54,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.20 : 133,730.40 = 36,579.20 : x
  2. Step 2: Convert to fraction form
    89,229.20/133,730.40 = 36,579.20/x
  3. Step 3: Cross multiply
    89,229.20x = 133,730.40 × 36,579.20
  4. Step 4: Simplify right side
    89,229.20x = 4,891,751,047.68
  5. Step 5: Solve for x
    x = 4,891,751,047.68/89,229.20
  6. Step 6: Final answer
    x = 54,822.31

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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.