Home / 89,460.72-134,074.44-36,817.20

Finding the Fourth Proportional to 89,460.72, 134,074.44 and 36,817.20

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Solution

The fourth proportional to 89,460.72, 134,074.44 and 36,817.20 is: 55,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,460.72 : 134,074.44 = 36,817.20 : x
  2. Step 2: Convert to fraction form
    89,460.72/134,074.44 = 36,817.20/x
  3. Step 3: Cross multiply
    89,460.72x = 134,074.44 × 36,817.20
  4. Step 4: Simplify right side
    89,460.72x = 4,936,245,472.37
  5. Step 5: Solve for x
    x = 4,936,245,472.37/89,460.72
  6. Step 6: Final answer
    x = 55,177.80

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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.