Home / 55,846.20-83,942.10-54,809.40

Finding the Fourth Proportional to 55,846.20, 83,942.10 and 54,809.40

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Solution

The fourth proportional to 55,846.20, 83,942.10 and 54,809.40 is: 82,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,846.20 : 83,942.10 = 54,809.40 : x
  2. Step 2: Convert to fraction form
    55,846.20/83,942.10 = 54,809.40/x
  3. Step 3: Cross multiply
    55,846.20x = 83,942.10 × 54,809.40
  4. Step 4: Simplify right side
    55,846.20x = 4,600,816,135.74
  5. Step 5: Solve for x
    x = 4,600,816,135.74/55,846.20
  6. Step 6: Final answer
    x = 82,383.69

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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.