Home / 74,255.48-111,399.62-36,835.91

Finding the Fourth Proportional to 74,255.48, 111,399.62 and 36,835.91

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Solution

The fourth proportional to 74,255.48, 111,399.62 and 36,835.91 is: 55,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,255.48 : 111,399.62 = 36,835.91 : x
  2. Step 2: Convert to fraction form
    74,255.48/111,399.62 = 36,835.91/x
  3. Step 3: Cross multiply
    74,255.48x = 111,399.62 × 36,835.91
  4. Step 4: Simplify right side
    74,255.48x = 4,103,505,635.18
  5. Step 5: Solve for x
    x = 4,103,505,635.18/74,255.48
  6. Step 6: Final answer
    x = 55,261.99

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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.