Home / 62,814.29-86,687.81-38,956.85

Finding the Fourth Proportional to 62,814.29, 86,687.81 and 38,956.85

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Solution

The fourth proportional to 62,814.29, 86,687.81 and 38,956.85 is: 53,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,814.29 : 86,687.81 = 38,956.85 : x
  2. Step 2: Convert to fraction form
    62,814.29/86,687.81 = 38,956.85/x
  3. Step 3: Cross multiply
    62,814.29x = 86,687.81 × 38,956.85
  4. Step 4: Simplify right side
    62,814.29x = 3,377,083,382.78
  5. Step 5: Solve for x
    x = 3,377,083,382.78/62,814.29
  6. Step 6: Final answer
    x = 53,762.98

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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.