Home / 82,226.90-123,389.57-35,479.78

Finding the Fourth Proportional to 82,226.90, 123,389.57 and 35,479.78

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Solution

The fourth proportional to 82,226.90, 123,389.57 and 35,479.78 is: 53,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,226.90 : 123,389.57 = 35,479.78 : x
  2. Step 2: Convert to fraction form
    82,226.90/123,389.57 = 35,479.78/x
  3. Step 3: Cross multiply
    82,226.90x = 123,389.57 × 35,479.78
  4. Step 4: Simplify right side
    82,226.90x = 4,377,834,797.89
  5. Step 5: Solve for x
    x = 4,377,834,797.89/82,226.90
  6. Step 6: Final answer
    x = 53,240.91

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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.