Home / 57,815.91-86,681.70-39,049.38

Finding the Fourth Proportional to 57,815.91, 86,681.70 and 39,049.38

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Solution

The fourth proportional to 57,815.91, 86,681.70 and 39,049.38 is: 58,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,815.91 : 86,681.70 = 39,049.38 : x
  2. Step 2: Convert to fraction form
    57,815.91/86,681.70 = 39,049.38/x
  3. Step 3: Cross multiply
    57,815.91x = 86,681.70 × 39,049.38
  4. Step 4: Simplify right side
    57,815.91x = 3,384,866,642.35
  5. Step 5: Solve for x
    x = 3,384,866,642.35/57,815.91
  6. Step 6: Final answer
    x = 58,545.59

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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.