Home / 82,504.89-123,585.03-52,771.68

Finding the Fourth Proportional to 82,504.89, 123,585.03 and 52,771.68

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Solution

The fourth proportional to 82,504.89, 123,585.03 and 52,771.68 is: 79,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,504.89 : 123,585.03 = 52,771.68 : x
  2. Step 2: Convert to fraction form
    82,504.89/123,585.03 = 52,771.68/x
  3. Step 3: Cross multiply
    82,504.89x = 123,585.03 × 52,771.68
  4. Step 4: Simplify right side
    82,504.89x = 6,521,789,655.95
  5. Step 5: Solve for x
    x = 6,521,789,655.95/82,504.89
  6. Step 6: Final answer
    x = 79,047.31

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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.