Home / 55,424.80-83,137.20-48,207.70

Finding the Fourth Proportional to 55,424.80, 83,137.20 and 48,207.70

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Solution

The fourth proportional to 55,424.80, 83,137.20 and 48,207.70 is: 72,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424.80 : 83,137.20 = 48,207.70 : x
  2. Step 2: Convert to fraction form
    55,424.80/83,137.20 = 48,207.70/x
  3. Step 3: Cross multiply
    55,424.80x = 83,137.20 × 48,207.70
  4. Step 4: Simplify right side
    55,424.80x = 4,007,853,196.44
  5. Step 5: Solve for x
    x = 4,007,853,196.44/55,424.80
  6. Step 6: Final answer
    x = 72,311.55

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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.