Home / 62,579.70-86,387.94-39,948.66

Finding the Fourth Proportional to 62,579.70, 86,387.94 and 39,948.66

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Solution

The fourth proportional to 62,579.70, 86,387.94 and 39,948.66 is: 55,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,579.70 : 86,387.94 = 39,948.66 : x
  2. Step 2: Convert to fraction form
    62,579.70/86,387.94 = 39,948.66/x
  3. Step 3: Cross multiply
    62,579.70x = 86,387.94 × 39,948.66
  4. Step 4: Simplify right side
    62,579.70x = 3,451,082,443.16
  5. Step 5: Solve for x
    x = 3,451,082,443.16/62,579.70
  6. Step 6: Final answer
    x = 55,147.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.