Home / 82,247.74-123,420.04-34,859.38

Finding the Fourth Proportional to 82,247.74, 123,420.04 and 34,859.38

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Solution

The fourth proportional to 82,247.74, 123,420.04 and 34,859.38 is: 52,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,247.74 : 123,420.04 = 34,859.38 : x
  2. Step 2: Convert to fraction form
    82,247.74/123,420.04 = 34,859.38/x
  3. Step 3: Cross multiply
    82,247.74x = 123,420.04 × 34,859.38
  4. Step 4: Simplify right side
    82,247.74x = 4,302,345,909.69
  5. Step 5: Solve for x
    x = 4,302,345,909.69/82,247.74
  6. Step 6: Final answer
    x = 52,309.60

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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.