Home / 74,571.17-111,790.43-27,177.35

Finding the Fourth Proportional to 74,571.17, 111,790.43 and 27,177.35

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Solution

The fourth proportional to 74,571.17, 111,790.43 and 27,177.35 is: 40,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.17 : 111,790.43 = 27,177.35 : x
  2. Step 2: Convert to fraction form
    74,571.17/111,790.43 = 27,177.35/x
  3. Step 3: Cross multiply
    74,571.17x = 111,790.43 × 27,177.35
  4. Step 4: Simplify right side
    74,571.17x = 3,038,166,947.92
  5. Step 5: Solve for x
    x = 3,038,166,947.92/74,571.17
  6. Step 6: Final answer
    x = 40,741.85

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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.