Home / 74,305.59-111,372.52-34,240.80

Finding the Fourth Proportional to 74,305.59, 111,372.52 and 34,240.80

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Solution

The fourth proportional to 74,305.59, 111,372.52 and 34,240.80 is: 51,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,305.59 : 111,372.52 = 34,240.80 : x
  2. Step 2: Convert to fraction form
    74,305.59/111,372.52 = 34,240.80/x
  3. Step 3: Cross multiply
    74,305.59x = 111,372.52 × 34,240.80
  4. Step 4: Simplify right side
    74,305.59x = 3,813,484,182.82
  5. Step 5: Solve for x
    x = 3,813,484,182.82/74,305.59
  6. Step 6: Final answer
    x = 51,321.63

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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.