Home / 103,623.80-155,435.70-37,059.89

Finding the Fourth Proportional to 103,623.80, 155,435.70 and 37,059.89

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Solution

The fourth proportional to 103,623.80, 155,435.70 and 37,059.89 is: 55,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.80 : 155,435.70 = 37,059.89 : x
  2. Step 2: Convert to fraction form
    103,623.80/155,435.70 = 37,059.89/x
  3. Step 3: Cross multiply
    103,623.80x = 155,435.70 × 37,059.89
  4. Step 4: Simplify right side
    103,623.80x = 5,760,429,944.07
  5. Step 5: Solve for x
    x = 5,760,429,944.07/103,623.80
  6. Step 6: Final answer
    x = 55,589.84

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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.