Home / 62,490.15-93,757.09-18,119.56

Finding the Fourth Proportional to 62,490.15, 93,757.09 and 18,119.56

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Solution

The fourth proportional to 62,490.15, 93,757.09 and 18,119.56 is: 27,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,490.15 : 93,757.09 = 18,119.56 : x
  2. Step 2: Convert to fraction form
    62,490.15/93,757.09 = 18,119.56/x
  3. Step 3: Cross multiply
    62,490.15x = 93,757.09 × 18,119.56
  4. Step 4: Simplify right side
    62,490.15x = 1,698,837,217.68
  5. Step 5: Solve for x
    x = 1,698,837,217.68/62,490.15
  6. Step 6: Final answer
    x = 27,185.68

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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.