Home / 49,438.51-74,124.82-25,687.69

Finding the Fourth Proportional to 49,438.51, 74,124.82 and 25,687.69

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Solution

The fourth proportional to 49,438.51, 74,124.82 and 25,687.69 is: 38,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438.51 : 74,124.82 = 25,687.69 : x
  2. Step 2: Convert to fraction form
    49,438.51/74,124.82 = 25,687.69/x
  3. Step 3: Cross multiply
    49,438.51x = 74,124.82 × 25,687.69
  4. Step 4: Simplify right side
    49,438.51x = 1,904,095,397.47
  5. Step 5: Solve for x
    x = 1,904,095,397.47/49,438.51
  6. Step 6: Final answer
    x = 38,514.42

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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.