Home / 73,288.70-109,933.05-54,626.30

Finding the Fourth Proportional to 73,288.70, 109,933.05 and 54,626.30

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Solution

The fourth proportional to 73,288.70, 109,933.05 and 54,626.30 is: 81,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,288.70 : 109,933.05 = 54,626.30 : x
  2. Step 2: Convert to fraction form
    73,288.70/109,933.05 = 54,626.30/x
  3. Step 3: Cross multiply
    73,288.70x = 109,933.05 × 54,626.30
  4. Step 4: Simplify right side
    73,288.70x = 6,005,235,769.22
  5. Step 5: Solve for x
    x = 6,005,235,769.22/73,288.70
  6. Step 6: Final answer
    x = 81,939.45

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Similar ratio
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1.5x scale

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.