Home / 82,500.08-123,771.06-38,158.65

Finding the Fourth Proportional to 82,500.08, 123,771.06 and 38,158.65

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Solution

The fourth proportional to 82,500.08, 123,771.06 and 38,158.65 is: 57,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,500.08 : 123,771.06 = 38,158.65 : x
  2. Step 2: Convert to fraction form
    82,500.08/123,771.06 = 38,158.65/x
  3. Step 3: Cross multiply
    82,500.08x = 123,771.06 × 38,158.65
  4. Step 4: Simplify right side
    82,500.08x = 4,722,936,558.67
  5. Step 5: Solve for x
    x = 4,722,936,558.67/82,500.08
  6. Step 6: Final answer
    x = 57,247.66

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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.