Home / 102,996.45-154,594.56-49,725.99

Finding the Fourth Proportional to 102,996.45, 154,594.56 and 49,725.99

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Solution

The fourth proportional to 102,996.45, 154,594.56 and 49,725.99 is: 74,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,996.45 : 154,594.56 = 49,725.99 : x
  2. Step 2: Convert to fraction form
    102,996.45/154,594.56 = 49,725.99/x
  3. Step 3: Cross multiply
    102,996.45x = 154,594.56 × 49,725.99
  4. Step 4: Simplify right side
    102,996.45x = 7,687,367,544.61
  5. Step 5: Solve for x
    x = 7,687,367,544.61/102,996.45
  6. Step 6: Final answer
    x = 74,637.21

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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.